Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d68f4321357165346fb15ef41dbbf9dce7894f29
Commit: d68f4321357165346fb15ef41dbbf9dce7894f29
Parent: 13ac2d9c791469d4af51aa65653ab0fbd0916fcc
Author: Matthew Wilcox <[EMAIL PROTECTED]>
AuthorDate: Thu Jul 26 11:58:12 2007 -0400
Committer: James Bottomley <[EMAIL PROTECTED]>
CommitDate: Fri Oct 12 14:39:52 2007 -0400
[SCSI] advansys: use memcpy instead of open-coded loop
Use memcpy to initialise eep_config instead of a loop. For
AdvInitFrom38C1600EEP where we need to modify the default EEPROM
configuration, do it after the loop, and do it using the structure
definition, not by finding the right byte. I think it was wrong for
big-endian machines.
Also delete some non-useful comments and prototypes.
Signed-off-by: Matthew Wilcox <[EMAIL PROTECTED]>
Signed-off-by: James Bottomley <[EMAIL PROTECTED]>
---
drivers/scsi/advansys.c | 119 ++++++++++++++++-------------------------------
1 files changed, 40 insertions(+), 79 deletions(-)
diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index 986c52a..19c2d19 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -3168,13 +3168,6 @@ do { \
#define QHSTA_M_SGBACKUP_ERROR 0x47 /* Scatter-Gather backup error
*/
/*
- * Default EEPROM Configuration structure defined in a_init.c.
- */
-static ADVEEP_3550_CONFIG Default_3550_EEPROM_Config;
-static ADVEEP_38C0800_CONFIG Default_38C0800_EEPROM_Config;
-static ADVEEP_38C1600_CONFIG Default_38C1600_EEPROM_Config;
-
-/*
* DvcGetPhyAddr() flag arguments
*/
#define ADV_IS_SCSIQ_FLAG 0x01 /* 'addr' is ASC_SCSI_REQ_Q pointer */
@@ -13183,7 +13176,6 @@ static unsigned char _adv_asc38C1600_buf[] = {
static unsigned short _adv_asc38C1600_size = sizeof(_adv_asc38C1600_buf);
/* 0x1673 */
static ADV_DCNT _adv_asc38C1600_chksum = 0x0604EF77UL; /* Expanded
little-endian checksum. */
-/* a_init.c */
/*
* EEPROM Configuration.
*
@@ -15443,7 +15435,6 @@ static int __devinit AdvInitFrom3550EEP(ADV_DVC_VAR
*asc_dvc)
AdvPortAddr iop_base;
ushort warn_code;
ADVEEP_3550_CONFIG eep_config;
- int i;
iop_base = asc_dvc->iop_base;
@@ -15460,15 +15451,12 @@ static int __devinit AdvInitFrom3550EEP(ADV_DVC_VAR
*asc_dvc)
/*
* Set EEPROM default values.
*/
- for (i = 0; i < sizeof(ADVEEP_3550_CONFIG); i++) {
- *((uchar *)&eep_config + i) =
- *((uchar *)&Default_3550_EEPROM_Config + i);
- }
+ memcpy(&eep_config, &Default_3550_EEPROM_Config,
+ sizeof(ADVEEP_3550_CONFIG));
/*
- * Assume the 6 byte board serial number that was read
- * from EEPROM is correct even if the EEPROM checksum
- * failed.
+ * Assume the 6 byte board serial number that was read from
+ * EEPROM is correct even if the EEPROM checksum failed.
*/
eep_config.serial_number_word3 =
AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
@@ -15597,7 +15585,6 @@ static int __devinit AdvInitFrom38C0800EEP(ADV_DVC_VAR
*asc_dvc)
AdvPortAddr iop_base;
ushort warn_code;
ADVEEP_38C0800_CONFIG eep_config;
- int i;
uchar tid, termination;
ushort sdtr_speed = 0;
@@ -15617,15 +15604,12 @@ static int __devinit
AdvInitFrom38C0800EEP(ADV_DVC_VAR *asc_dvc)
/*
* Set EEPROM default values.
*/
- for (i = 0; i < sizeof(ADVEEP_38C0800_CONFIG); i++) {
- *((uchar *)&eep_config + i) =
- *((uchar *)&Default_38C0800_EEPROM_Config + i);
- }
+ memcpy(&eep_config, &Default_38C0800_EEPROM_Config,
+ sizeof(ADVEEP_38C0800_CONFIG));
/*
- * Assume the 6 byte board serial number that was read
- * from EEPROM is correct even if the EEPROM checksum
- * failed.
+ * Assume the 6 byte board serial number that was read from
+ * EEPROM is correct even if the EEPROM checksum failed.
*/
eep_config.serial_number_word3 =
AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
@@ -15800,7 +15784,6 @@ static int __devinit AdvInitFrom38C1600EEP(ADV_DVC_VAR
*asc_dvc)
AdvPortAddr iop_base;
ushort warn_code;
ADVEEP_38C1600_CONFIG eep_config;
- int i;
uchar tid, termination;
ushort sdtr_speed = 0;
@@ -15821,68 +15804,46 @@ static int __devinit
AdvInitFrom38C1600EEP(ADV_DVC_VAR *asc_dvc)
/*
* Set EEPROM default values.
*/
- for (i = 0; i < sizeof(ADVEEP_38C1600_CONFIG); i++) {
- if (i == 1 && PCI_FUNC(pdev->devfn) != 0) {
- /*
- * Set Function 1 EEPROM Word 0 MSB
- *
- * Clear the BIOS_ENABLE (bit 14) and INTAB
(bit 11)
- * EEPROM bits.
- *
- * Disable Bit 14 (BIOS_ENABLE) to fix SPARC
Ultra 60 and
- * old Mac system booting problem. The
Expansion ROM must
- * be disabled in Function 1 for these systems.
- *
- */
- *((uchar *)&eep_config + i) =
- ((*
- ((uchar *)&Default_38C1600_EEPROM_Config
- +
- i)) &
- (~
- (((ADV_EEPROM_BIOS_ENABLE |
- ADV_EEPROM_INTAB) >> 8) & 0xFF)));
+ memcpy(&eep_config, &Default_38C1600_EEPROM_Config,
+ sizeof(ADVEEP_38C1600_CONFIG));
- /*
- * Set the INTAB (bit 11) if the GPIO 0 input
indicates
- * the Function 1 interrupt line is wired to
INTA.
- *
- * Set/Clear Bit 11 (INTAB) from the GPIO bit 0
input:
- * 1 - Function 1 interrupt line wired to INT
A.
- * 0 - Function 1 interrupt line wired to INT
B.
- *
- * Note: Adapter boards always have Function 0
wired to INTA.
- * Put all 5 GPIO bits in input mode and then
read
- * their input values.
- */
- AdvWriteByteRegister(iop_base, IOPB_GPIO_CNTL,
- 0);
- if (AdvReadByteRegister
- (iop_base, IOPB_GPIO_DATA) & 0x01) {
- /* Function 1 interrupt wired to INTA;
Set EEPROM bit. */
- *((uchar *)&eep_config + i) |=
- ((ADV_EEPROM_INTAB >> 8) & 0xFF);
- }
- } else {
- *((uchar *)&eep_config + i) =
- *((uchar *)&Default_38C1600_EEPROM_Config
- + i);
- }
+ if (PCI_FUNC(pdev->devfn) != 0) {
+ u8 ints;
+ /*
+ * Disable Bit 14 (BIOS_ENABLE) to fix SPARC Ultra 60
+ * and old Mac system booting problem. The Expansion
+ * ROM must be disabled in Function 1 for these systems
+ */
+ eep_config.cfg_lsw &= ~ADV_EEPROM_BIOS_ENABLE;
+ /*
+ * Clear the INTAB (bit 11) if the GPIO 0 input
+ * indicates the Function 1 interrupt line is wired
+ * to INTB.
+ *
+ * Set/Clear Bit 11 (INTAB) from the GPIO bit 0 input:
+ * 1 - Function 1 interrupt line wired to INT A.
+ * 0 - Function 1 interrupt line wired to INT B.
+ *
+ * Note: Function 0 is always wired to INTA.
+ * Put all 5 GPIO bits in input mode and then read
+ * their input values.
+ */
+ AdvWriteByteRegister(iop_base, IOPB_GPIO_CNTL, 0);
+ ints = AdvReadByteRegister(iop_base, IOPB_GPIO_DATA);
+ if ((ints & 0x01) == 0)
+ eep_config.cfg_lsw &= ~ADV_EEPROM_INTAB;
}
/*
- * Assume the 6 byte board serial number that was read
- * from EEPROM is correct even if the EEPROM checksum
- * failed.
+ * Assume the 6 byte board serial number that was read from
+ * EEPROM is correct even if the EEPROM checksum failed.
*/
eep_config.serial_number_word3 =
- AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
-
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
eep_config.serial_number_word2 =
- AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2);
-
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2);
eep_config.serial_number_word1 =
- AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3);
+ AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3);
AdvSet38C1600EEPConfig(iop_base, &eep_config);
}
-
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