Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (39 commits)
  [SCSI] qla2xxx: Update version number to 8.02.00-k5.
  [SCSI] qla2xxx: Correct display of ISP serial-number.
  [SCSI] qla2xxx: Correct residual-count handling discrepancies during UNDERRUN handling.
  [SCSI] qla2xxx: Make driver (mostly) legacy I/O port free.
  [SCSI] qla2xxx: Fix issue where final flash-segment updates were falling into the slow-path write handler.
  [SCSI] qla2xxx: Handle unaligned sector writes during NVRAM/VPD updates.
  [SCSI] qla2xxx: Defer explicit interrupt-polling processing to init-time scenarios.
  [SCSI] qla2xxx: Resync with latest HBA SSID specification -- 2.2u.
  [SCSI] sym53c8xx: Remove sym_xpt_async_sent_bdr
  [SCSI] sym53c8xx: Remove pci_dev pointer from sym_shcb
  [SCSI] sym53c8xx: Make interrupt handler capable of returning IRQ_NONE
  [SCSI] sym53c8xx: Get rid of IRQ_FMT and IRQ_PRM
  [SCSI] sym53c8xx: Use scmd_printk where appropriate
  [SCSI] sym53c8xx: Simplify DAC DMA handling
  [SCSI] sym53c8xx: Remove tag_ctrl module parameter
  [SCSI] sym53c8xx: Remove io_ws, mmio_ws and ram_ws elements
  [SCSI] sym53c8xx: Remove ->device_id
  [SCSI] sym53c8xx: Use pdev->revision
  [SCSI] sym53c8xx: PCI Error Recovery support
  [SCSI] sym53c8xx: Stop overriding scsi_done
  ...

1 files changed, 25 insertions, 5 deletions

diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index 40b059fc1981..ad2fa01bd233 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -7,6 +7,7 @@
 #include "qla_def.h"
 
 #include <linux/delay.h>
+#include <linux/vmalloc.h>
 #include <asm/uaccess.h>
 
 static uint16_t qla2x00_nvram_request(scsi_qla_host_t *, uint32_t);
@@ -642,7 +643,7 @@ qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
 		}
 
 		/* Go with burst-write. */
-		if (optrom && (liter + OPTROM_BURST_DWORDS) < dwords) {
+		if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) {
 			/* Copy data to DMA'ble buffer. */
 			for (miter = 0, s = optrom, d = dwptr;
 			    miter < OPTROM_BURST_DWORDS; miter++, s++, d++)
@@ -656,7 +657,7 @@ qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
 				    "Unable to burst-write optrom segment "
 				    "(%x/%x/%llx).\n", ret,
 				    flash_data_to_access_addr(faddr),
-				    optrom_dma);
+				    (unsigned long long)optrom_dma);
 				qla_printk(KERN_WARNING, ha,
 				    "Reverting to slow-write.\n");
 
@@ -745,9 +746,11 @@ qla2x00_write_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
 	int ret, stat;
 	uint32_t i;
 	uint16_t *wptr;
+	unsigned long flags;
 
 	ret = QLA_SUCCESS;
 
+	spin_lock_irqsave(&ha->hardware_lock, flags);
 	qla2x00_lock_nvram_access(ha);
 
 	/* Disable NVRAM write-protection. */
@@ -764,6 +767,7 @@ qla2x00_write_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
 	qla2x00_set_nvram_protection(ha, stat);
 
 	qla2x00_unlock_nvram_access(ha);
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
 	return ret;
 }
@@ -776,9 +780,11 @@ qla24xx_write_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
 	uint32_t i;
 	uint32_t *dwptr;
 	struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
+	unsigned long flags;
 
 	ret = QLA_SUCCESS;
 
+	spin_lock_irqsave(&ha->hardware_lock, flags);
 	/* Enable flash write. */
 	WRT_REG_DWORD(&reg->ctrl_status,
 	    RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
@@ -812,6 +818,7 @@ qla24xx_write_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
 	WRT_REG_DWORD(&reg->ctrl_status,
 	    RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
 	RD_REG_DWORD(&reg->ctrl_status);	/* PCI Posting. */
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
 	return ret;
 }
@@ -836,8 +843,20 @@ int
 qla25xx_write_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
     uint32_t bytes)
 {
-	return qla24xx_write_flash_data(ha, (uint32_t *)buf,
-	    FA_VPD_NVRAM_ADDR | naddr, bytes >> 2);
+#define RMW_BUFFER_SIZE	(64 * 1024)
+	uint8_t *dbuf;
+
+	dbuf = vmalloc(RMW_BUFFER_SIZE);
+	if (!dbuf)
+		return QLA_MEMORY_ALLOC_FAILED;
+	ha->isp_ops->read_optrom(ha, dbuf, FA_VPD_NVRAM_ADDR << 2,
+	    RMW_BUFFER_SIZE);
+	memcpy(dbuf + (naddr << 2), buf, bytes);
+	ha->isp_ops->write_optrom(ha, dbuf, FA_VPD_NVRAM_ADDR << 2,
+	    RMW_BUFFER_SIZE);
+	vfree(dbuf);
+
+	return QLA_SUCCESS;
 }
 
 static inline void
@@ -1853,7 +1872,8 @@ qla25xx_read_optrom_data(struct scsi_qla_host *ha, uint8_t *buf,
 			qla_printk(KERN_WARNING, ha,
 			    "Unable to burst-read optrom segment "
 			    "(%x/%x/%llx).\n", rval,
-			    flash_data_to_access_addr(faddr), optrom_dma);
+			    flash_data_to_access_addr(faddr),
+			    (unsigned long long)optrom_dma);
 			qla_printk(KERN_WARNING, ha,
 			    "Reverting to slow-read.\n");