CC: [email protected] CC: [email protected] TO: Bartlomiej Zolnierkiewicz <[email protected]>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3fb6d0e00efc958d01c2f109c8453033a2d96796 commit: 3d3287e609877aa549b1cbb41eafaf73c3742a0b video: fbdev: arcfb: add COMPILE_TEST support date: 12 months ago :::::: branch date: 11 hours ago :::::: commit date: 12 months ago config: parisc-randconfig-m031-20210227 (attached as .config) compiler: hppa-linux-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> Reported-by: Dan Carpenter <[email protected]> smatch warnings: drivers/video/fbdev/arcfb.c:120 ks108_writeb_ctl() warn: ignoring unreachable code. drivers/video/fbdev/arcfb.c:129 ks108_writeb_mainctl() warn: ignoring unreachable code. drivers/video/fbdev/arcfb.c:143 ks108_writeb_data() warn: ignoring unreachable code. vim +120 drivers/video/fbdev/arcfb.c 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 113 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 114 static void ks108_writeb_ctl(struct arcfb_par *par, 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 115 unsigned int chipindex, unsigned char value) 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 116 { 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 117 unsigned char chipselval = par->cslut[chipindex]; 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 118 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 119 outb(chipselval|KS_CEHI|KS_SEL_CMD, par->cio_addr); 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 @120 outb(value, par->dio_addr); 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 121 udelay(tuhold); 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 122 outb(chipselval|KS_CELO|KS_SEL_CMD, par->cio_addr); 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 123 } 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 124 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 125 static void ks108_writeb_mainctl(struct arcfb_par *par, unsigned char value) 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 126 { 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 127 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 128 outb(value, par->cio_addr); 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 @129 udelay(tuhold); 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 130 } 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 131 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 132 static unsigned char ks108_readb_ctl2(struct arcfb_par *par) 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 133 { 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 134 return inb(par->c2io_addr); 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 135 } 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 136 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 137 static void ks108_writeb_data(struct arcfb_par *par, 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 138 unsigned int chipindex, unsigned char value) 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 139 { 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 140 unsigned char chipselval = par->cslut[chipindex]; 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 141 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 142 outb(chipselval|KS_CEHI|KS_SEL_DATA, par->cio_addr); 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 @143 outb(value, par->dio_addr); 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 144 udelay(tuhold); 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 145 outb(chipselval|KS_CELO|KS_SEL_DATA, par->cio_addr); 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 146 } 1154ea7dcd8eed drivers/video/arcfb.c Jaya Kumar 2005-06-21 147 :::::: The code at line 120 was first introduced by commit :::::: 1154ea7dcd8eed758fb5ec47393a79d5a1f0bc43 [PATCH] Framebuffer driver for Arc LCD board :::::: TO: Jaya Kumar <[email protected]> :::::: CC: Linus Torvalds <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
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