Hi Rasmus, Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on linus/master] [also build test WARNING on v5.4-rc5 next-20191031] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Rasmus-Villemoes/QUICC-Engine-support-on-ARM/20191102-234436 base: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git 1204c70d9dcba31164f78ad5d8c88c42335d51f8 config: ia64-allmodconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <l...@intel.com> All warnings (new ones prefixed by >>): In file included from include/linux/kernel.h:11:0, from drivers/soc/fsl/qe/ucc_slow.c:11: drivers/soc/fsl/qe/ucc_slow.c: In function 'ucc_slow_init': include/linux/err.h:22:49: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] #define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO) ^ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' # define unlikely(x) __builtin_expect(!!(x), 0) ^ >> drivers/soc/fsl/qe/ucc_slow.c:182:6: note: in expansion of macro >> 'IS_ERR_VALUE' if (IS_ERR_VALUE(uccs->us_pram_offset)) { ^~~~~~~~~~~~ include/linux/err.h:22:49: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] #define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO) ^ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' # define unlikely(x) __builtin_expect(!!(x), 0) ^ drivers/soc/fsl/qe/ucc_slow.c:209:6: note: in expansion of macro 'IS_ERR_VALUE' if (IS_ERR_VALUE(uccs->rx_base_offset)) { ^~~~~~~~~~~~ include/linux/err.h:22:49: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] #define IS_ERR_VALUE(x) unlikely((unsigned long)(void *)(x) >= (unsigned long)-MAX_ERRNO) ^ include/linux/compiler.h:78:42: note: in definition of macro 'unlikely' # define unlikely(x) __builtin_expect(!!(x), 0) ^ drivers/soc/fsl/qe/ucc_slow.c:220:6: note: in expansion of macro 'IS_ERR_VALUE' if (IS_ERR_VALUE(uccs->tx_base_offset)) { ^~~~~~~~~~~~ vim +/IS_ERR_VALUE +182 drivers/soc/fsl/qe/ucc_slow.c 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 @11 #include <linux/kernel.h> 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 12 #include <linux/errno.h> 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 13 #include <linux/slab.h> 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 14 #include <linux/stddef.h> 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 15 #include <linux/interrupt.h> 4c35630ccda56e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-05-08 16 #include <linux/err.h> 4b16f8e2d6d642 arch/powerpc/sysdev/qe_lib/ucc_slow.c Paul Gortmaker 2011-07-22 17 #include <linux/export.h> 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 18 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 19 #include <asm/io.h> 7aa1aa6ecec2af drivers/soc/fsl/qe/ucc_slow.c Zhao Qiang 2015-11-30 20 #include <soc/fsl/qe/immap_qe.h> 7aa1aa6ecec2af drivers/soc/fsl/qe/ucc_slow.c Zhao Qiang 2015-11-30 21 #include <soc/fsl/qe/qe.h> 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 22 7aa1aa6ecec2af drivers/soc/fsl/qe/ucc_slow.c Zhao Qiang 2015-11-30 23 #include <soc/fsl/qe/ucc.h> 7aa1aa6ecec2af drivers/soc/fsl/qe/ucc_slow.c Zhao Qiang 2015-11-30 24 #include <soc/fsl/qe/ucc_slow.h> 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 25 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 26 u32 ucc_slow_get_qe_cr_subblock(int uccs_num) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 27 { 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 28 switch (uccs_num) { 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 29 case 0: return QE_CR_SUBBLOCK_UCCSLOW1; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 30 case 1: return QE_CR_SUBBLOCK_UCCSLOW2; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 31 case 2: return QE_CR_SUBBLOCK_UCCSLOW3; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 32 case 3: return QE_CR_SUBBLOCK_UCCSLOW4; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 33 case 4: return QE_CR_SUBBLOCK_UCCSLOW5; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 34 case 5: return QE_CR_SUBBLOCK_UCCSLOW6; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 35 case 6: return QE_CR_SUBBLOCK_UCCSLOW7; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 36 case 7: return QE_CR_SUBBLOCK_UCCSLOW8; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 37 default: return QE_CR_SUBBLOCK_INVALID; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 38 } 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 39 } 845cf505cebd15 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2008-01-09 40 EXPORT_SYMBOL(ucc_slow_get_qe_cr_subblock); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 41 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 42 void ucc_slow_graceful_stop_tx(struct ucc_slow_private * uccs) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 43 { 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 44 struct ucc_slow_info *us_info = uccs->us_info; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 45 u32 id; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 46 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 47 id = ucc_slow_get_qe_cr_subblock(us_info->ucc_num); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 48 qe_issue_cmd(QE_GRACEFUL_STOP_TX, id, 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 49 QE_CR_PROTOCOL_UNSPECIFIED, 0); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 50 } 845cf505cebd15 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2008-01-09 51 EXPORT_SYMBOL(ucc_slow_graceful_stop_tx); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 52 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 53 void ucc_slow_stop_tx(struct ucc_slow_private * uccs) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 54 { 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 55 struct ucc_slow_info *us_info = uccs->us_info; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 56 u32 id; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 57 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 58 id = ucc_slow_get_qe_cr_subblock(us_info->ucc_num); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 59 qe_issue_cmd(QE_STOP_TX, id, QE_CR_PROTOCOL_UNSPECIFIED, 0); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 60 } 845cf505cebd15 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2008-01-09 61 EXPORT_SYMBOL(ucc_slow_stop_tx); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 62 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 63 void ucc_slow_restart_tx(struct ucc_slow_private * uccs) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 64 { 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 65 struct ucc_slow_info *us_info = uccs->us_info; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 66 u32 id; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 67 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 68 id = ucc_slow_get_qe_cr_subblock(us_info->ucc_num); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 69 qe_issue_cmd(QE_RESTART_TX, id, QE_CR_PROTOCOL_UNSPECIFIED, 0); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 70 } 845cf505cebd15 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2008-01-09 71 EXPORT_SYMBOL(ucc_slow_restart_tx); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 72 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 73 void ucc_slow_enable(struct ucc_slow_private * uccs, enum comm_dir mode) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 74 { 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 75 struct ucc_slow *us_regs; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 76 u32 gumr_l; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 77 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 78 us_regs = uccs->us_regs; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 79 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 80 /* Enable reception and/or transmission on this UCC. */ eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 81 gumr_l = qe_ioread32be(&us_regs->gumr_l); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 82 if (mode & COMM_DIR_TX) { 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 83 gumr_l |= UCC_SLOW_GUMR_L_ENT; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 84 uccs->enabled_tx = 1; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 85 } 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 86 if (mode & COMM_DIR_RX) { 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 87 gumr_l |= UCC_SLOW_GUMR_L_ENR; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 88 uccs->enabled_rx = 1; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 89 } eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 90 qe_iowrite32be(gumr_l, &us_regs->gumr_l); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 91 } 845cf505cebd15 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2008-01-09 92 EXPORT_SYMBOL(ucc_slow_enable); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 93 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 94 void ucc_slow_disable(struct ucc_slow_private * uccs, enum comm_dir mode) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 95 { 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 96 struct ucc_slow *us_regs; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 97 u32 gumr_l; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 98 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 99 us_regs = uccs->us_regs; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 100 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 101 /* Disable reception and/or transmission on this UCC. */ eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 102 gumr_l = qe_ioread32be(&us_regs->gumr_l); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 103 if (mode & COMM_DIR_TX) { 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 104 gumr_l &= ~UCC_SLOW_GUMR_L_ENT; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 105 uccs->enabled_tx = 0; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 106 } 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 107 if (mode & COMM_DIR_RX) { 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 108 gumr_l &= ~UCC_SLOW_GUMR_L_ENR; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 109 uccs->enabled_rx = 0; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 110 } eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 111 qe_iowrite32be(gumr_l, &us_regs->gumr_l); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 112 } 845cf505cebd15 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2008-01-09 113 EXPORT_SYMBOL(ucc_slow_disable); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 114 6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 115 /* Initialize the UCC for Slow operations 6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 116 * 6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 117 * The caller should initialize the following us_info 6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 118 */ 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 119 int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** uccs_ret) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 120 { 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 121 struct ucc_slow_private *uccs; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 122 u32 i; 6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 123 struct ucc_slow __iomem *us_regs; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 124 u32 gumr; 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 125 struct qe_bd *bd; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 126 u32 id; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 127 u32 command; 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 128 int ret = 0; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 129 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 130 if (!us_info) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 131 return -EINVAL; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 132 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 133 /* check if the UCC port number is in range. */ 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 134 if ((us_info->ucc_num < 0) || (us_info->ucc_num > UCC_MAX_NUM - 1)) { e48b1b452ff630 arch/powerpc/sysdev/qe_lib/ucc_slow.c Harvey Harrison 2008-03-29 135 printk(KERN_ERR "%s: illegal UCC number\n", __func__); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 136 return -EINVAL; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 137 } 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 138 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 139 /* 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 140 * Set mrblr 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 141 * Check that 'max_rx_buf_length' is properly aligned (4), unless 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 142 * rfw is 1, meaning that QE accepts one byte at a time, unlike normal 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 143 * case when QE accepts 32 bits at a time. 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 144 */ 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 145 if ((!us_info->rfw) && 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 146 (us_info->max_rx_buf_length & (UCC_SLOW_MRBLR_ALIGNMENT - 1))) { 6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 147 printk(KERN_ERR "max_rx_buf_length not aligned.\n"); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 148 return -EINVAL; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 149 } 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 150 f8485350c22b25 arch/powerpc/sysdev/qe_lib/ucc_slow.c Yan Burman 2006-12-02 151 uccs = kzalloc(sizeof(struct ucc_slow_private), GFP_KERNEL); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 152 if (!uccs) { 6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 153 printk(KERN_ERR "%s: Cannot allocate private data\n", e48b1b452ff630 arch/powerpc/sysdev/qe_lib/ucc_slow.c Harvey Harrison 2008-03-29 154 __func__); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 155 return -ENOMEM; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 156 } 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 157 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 158 /* Fill slow UCC structure */ 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 159 uccs->us_info = us_info; 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 160 /* Set the PHY base address */ 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 161 uccs->us_regs = ioremap(us_info->regs, sizeof(struct ucc_slow)); 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 162 if (uccs->us_regs == NULL) { e48b1b452ff630 arch/powerpc/sysdev/qe_lib/ucc_slow.c Harvey Harrison 2008-03-29 163 printk(KERN_ERR "%s: Cannot map UCC registers\n", __func__); 61a4e9e91dd391 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2008-08-20 164 kfree(uccs); 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 165 return -ENOMEM; 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 166 } 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 167 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 168 uccs->saved_uccm = 0; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 169 uccs->p_rx_frame = 0; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 170 us_regs = uccs->us_regs; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 171 uccs->p_ucce = (u16 *) & (us_regs->ucce); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 172 uccs->p_uccm = (u16 *) & (us_regs->uccm); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 173 #ifdef STATISTICS 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 174 uccs->rx_frames = 0; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 175 uccs->tx_frames = 0; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 176 uccs->rx_discarded = 0; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 177 #endif /* STATISTICS */ 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 178 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 179 /* Get PRAM base */ 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 180 uccs->us_pram_offset = 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 181 qe_muram_alloc(UCC_SLOW_PRAM_SIZE, ALIGNMENT_OF_UCC_SLOW_PRAM); 4c35630ccda56e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-05-08 @182 if (IS_ERR_VALUE(uccs->us_pram_offset)) { e48b1b452ff630 arch/powerpc/sysdev/qe_lib/ucc_slow.c Harvey Harrison 2008-03-29 183 printk(KERN_ERR "%s: cannot allocate MURAM for PRAM", __func__); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 184 ucc_slow_free(uccs); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 185 return -ENOMEM; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 186 } 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 187 id = ucc_slow_get_qe_cr_subblock(us_info->ucc_num); 6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 188 qe_issue_cmd(QE_ASSIGN_PAGE_TO_DEVICE, id, us_info->protocol, 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 189 uccs->us_pram_offset); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 190 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 191 uccs->us_pram = qe_muram_addr(uccs->us_pram_offset); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 192 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 193 /* Set UCC to slow type */ 6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 194 ret = ucc_set_type(us_info->ucc_num, UCC_SPEED_TYPE_SLOW); 6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 195 if (ret) { e48b1b452ff630 arch/powerpc/sysdev/qe_lib/ucc_slow.c Harvey Harrison 2008-03-29 196 printk(KERN_ERR "%s: cannot set UCC type", __func__); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 197 ucc_slow_free(uccs); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 198 return ret; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 199 } 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 200 eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 201 qe_iowrite16be(us_info->max_rx_buf_length, &uccs->us_pram->mrblr); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 202 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 203 INIT_LIST_HEAD(&uccs->confQ); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 204 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 205 /* Allocate BDs. */ 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 206 uccs->rx_base_offset = 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 207 qe_muram_alloc(us_info->rx_bd_ring_len * sizeof(struct qe_bd), 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 208 QE_ALIGNMENT_OF_BD); 4c35630ccda56e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-05-08 209 if (IS_ERR_VALUE(uccs->rx_base_offset)) { e48b1b452ff630 arch/powerpc/sysdev/qe_lib/ucc_slow.c Harvey Harrison 2008-03-29 210 printk(KERN_ERR "%s: cannot allocate %u RX BDs\n", __func__, 6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 211 us_info->rx_bd_ring_len); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 212 uccs->rx_base_offset = 0; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 213 ucc_slow_free(uccs); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 214 return -ENOMEM; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 215 } 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 216 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 217 uccs->tx_base_offset = 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 218 qe_muram_alloc(us_info->tx_bd_ring_len * sizeof(struct qe_bd), 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 219 QE_ALIGNMENT_OF_BD); 4c35630ccda56e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-05-08 220 if (IS_ERR_VALUE(uccs->tx_base_offset)) { e48b1b452ff630 arch/powerpc/sysdev/qe_lib/ucc_slow.c Harvey Harrison 2008-03-29 221 printk(KERN_ERR "%s: cannot allocate TX BDs", __func__); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 222 uccs->tx_base_offset = 0; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 223 ucc_slow_free(uccs); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 224 return -ENOMEM; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 225 } 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 226 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 227 /* Init Tx bds */ 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 228 bd = uccs->confBd = uccs->tx_bd = qe_muram_addr(uccs->tx_base_offset); 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 229 for (i = 0; i < us_info->tx_bd_ring_len - 1; i++) { 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 230 /* clear bd buffer */ eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 231 qe_iowrite32be(0, &bd->buf); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 232 /* set bd status and length */ eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 233 qe_iowrite32be(0, (u32 *)bd); 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 234 bd++; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 235 } 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 236 /* for last BD set Wrap bit */ eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 237 qe_iowrite32be(0, &bd->buf); eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 238 qe_iowrite32be(cpu_to_be32(T_W), (u32 *)bd); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 239 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 240 /* Init Rx bds */ 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 241 bd = uccs->rx_bd = qe_muram_addr(uccs->rx_base_offset); 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 242 for (i = 0; i < us_info->rx_bd_ring_len - 1; i++) { 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 243 /* set bd status and length */ eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 244 qe_iowrite32be(0, (u32 *)bd); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 245 /* clear bd buffer */ eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 246 qe_iowrite32be(0, &bd->buf); 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 247 bd++; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 248 } 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 249 /* for last BD set Wrap bit */ eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 250 qe_iowrite32be(cpu_to_be32(R_W), (u32 *)bd); eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 251 qe_iowrite32be(0, &bd->buf); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 252 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 253 /* Set GUMR (For more details see the hardware spec.). */ 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 254 /* gumr_h */ 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 255 gumr = us_info->tcrc; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 256 if (us_info->cdp) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 257 gumr |= UCC_SLOW_GUMR_H_CDP; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 258 if (us_info->ctsp) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 259 gumr |= UCC_SLOW_GUMR_H_CTSP; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 260 if (us_info->cds) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 261 gumr |= UCC_SLOW_GUMR_H_CDS; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 262 if (us_info->ctss) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 263 gumr |= UCC_SLOW_GUMR_H_CTSS; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 264 if (us_info->tfl) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 265 gumr |= UCC_SLOW_GUMR_H_TFL; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 266 if (us_info->rfw) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 267 gumr |= UCC_SLOW_GUMR_H_RFW; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 268 if (us_info->txsy) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 269 gumr |= UCC_SLOW_GUMR_H_TXSY; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 270 if (us_info->rtsm) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 271 gumr |= UCC_SLOW_GUMR_H_RTSM; eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 272 qe_iowrite32be(gumr, &us_regs->gumr_h); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 273 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 274 /* gumr_l */ 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 275 gumr = us_info->tdcr | us_info->rdcr | us_info->tenc | us_info->renc | 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 276 us_info->diag | us_info->mode; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 277 if (us_info->tci) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 278 gumr |= UCC_SLOW_GUMR_L_TCI; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 279 if (us_info->rinv) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 280 gumr |= UCC_SLOW_GUMR_L_RINV; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 281 if (us_info->tinv) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 282 gumr |= UCC_SLOW_GUMR_L_TINV; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 283 if (us_info->tend) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 284 gumr |= UCC_SLOW_GUMR_L_TEND; eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 285 qe_iowrite32be(gumr, &us_regs->gumr_l); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 286 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 287 /* Function code registers */ 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 288 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 289 /* if the data is in cachable memory, the 'global' */ 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 290 /* in the function code should be set. */ 6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 291 uccs->us_pram->tbmr = UCC_BMR_BO_BE; 6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 292 uccs->us_pram->rbmr = UCC_BMR_BO_BE; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 293 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 294 /* rbase, tbase are offsets from MURAM base */ eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 295 qe_iowrite16be(uccs->rx_base_offset, &uccs->us_pram->rbase); eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 296 qe_iowrite16be(uccs->tx_base_offset, &uccs->us_pram->tbase); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 297 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 298 /* Mux clocking */ 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 299 /* Grant Support */ 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 300 ucc_set_qe_mux_grant(us_info->ucc_num, us_info->grant_support); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 301 /* Breakpoint Support */ 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 302 ucc_set_qe_mux_bkpt(us_info->ucc_num, us_info->brkpt_support); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 303 /* Set Tsa or NMSI mode. */ 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 304 ucc_set_qe_mux_tsa(us_info->ucc_num, us_info->tsa); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 305 /* If NMSI (not Tsa), set Tx and Rx clock. */ 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 306 if (!us_info->tsa) { 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 307 /* Rx clock routing */ 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 308 if (ucc_set_qe_mux_rxtx(us_info->ucc_num, us_info->rx_clock, 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 309 COMM_DIR_RX)) { 6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 310 printk(KERN_ERR "%s: illegal value for RX clock\n", e48b1b452ff630 arch/powerpc/sysdev/qe_lib/ucc_slow.c Harvey Harrison 2008-03-29 311 __func__); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 312 ucc_slow_free(uccs); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 313 return -EINVAL; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 314 } 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 315 /* Tx clock routing */ 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 316 if (ucc_set_qe_mux_rxtx(us_info->ucc_num, us_info->tx_clock, 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 317 COMM_DIR_TX)) { 6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 318 printk(KERN_ERR "%s: illegal value for TX clock\n", e48b1b452ff630 arch/powerpc/sysdev/qe_lib/ucc_slow.c Harvey Harrison 2008-03-29 319 __func__); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 320 ucc_slow_free(uccs); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 321 return -EINVAL; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 322 } 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 323 } 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 324 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 325 /* Set interrupt mask register at UCC level. */ eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 326 qe_iowrite16be(us_info->uccm_mask, &us_regs->uccm); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 327 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 328 /* First, clear anything pending at UCC level, 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 329 * otherwise, old garbage may come through 5af68af5bcd34e arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-02-16 330 * as soon as the dam is opened. */ 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 331 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 332 /* Writing '1' clears */ eb63c63b289d28 drivers/soc/fsl/qe/ucc_slow.c Rasmus Villemoes 2019-11-01 333 qe_iowrite16be(0xffff, &us_regs->ucce); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 334 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 335 /* Issue QE Init command */ 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 336 if (us_info->init_tx && us_info->init_rx) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 337 command = QE_INIT_TX_RX; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 338 else if (us_info->init_tx) 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 339 command = QE_INIT_TX; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 340 else 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 341 command = QE_INIT_RX; /* We know at least one is TRUE */ 6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 342 6b0b594bb81f86 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2007-10-03 343 qe_issue_cmd(command, id, us_info->protocol, 0); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 344 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 345 *uccs_ret = uccs; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 346 return 0; 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 347 } 845cf505cebd15 arch/powerpc/sysdev/qe_lib/ucc_slow.c Timur Tabi 2008-01-09 348 EXPORT_SYMBOL(ucc_slow_init); 9865853851313e arch/powerpc/sysdev/qe_lib/ucc_slow.c Li Yang 2006-10-03 349 :::::: The code at line 182 was first introduced by commit :::::: 4c35630ccda56ed494f6102d2e147fefe14b78d2 [POWERPC] Change rheap functions to use ulongs instead of pointers :::::: TO: Timur Tabi <ti...@freescale.com> :::::: CC: Kumar Gala <ga...@kernel.crashing.org> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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