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authorLinus Torvalds <torvalds@woody.osdl.org>2006-12-04 13:12:29 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-04 13:12:29 -0800
commitff51a98799931256b555446b2f5675db08de6229 (patch)
tree81a51eef70f120fd5d752430ccff0fdf06483508 /drivers/ata/pata_cs5520.c
parenta80958f4849316a18c06f75b9e850ccecbf20df8 (diff)
parent8e42a5a220a3369c70d88474e887a6de6a4ae209 (diff)
Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: (82 commits) [PATCH] pata_ali: small fixes [PATCH] pata_via: VIA 8251 bridged systems are now out and about [PATCH] trivial piix: swap bogus dot for comma space [PATCH] sata_promise: PHYMODE4 fixup [PATCH] libata: always use polling IDENTIFY [libata] pata_cs5535: fix build [PATCH] ahci: do not powerdown during initialization [PATCH] libata: prepare ata_sg_clean() for invocation from EH [PATCH] libata: separate out rw ATA taskfile building into ata_build_rw_tf() [PATCH] libata: implement ata_exec_internal_sg() [PATCH] libata: make sure IRQ is cleared after ata_bmdma_freeze() [PATCH] libata: move BMDMA host status recording from EH to interrupt handler [PATCH] libata: make sure sdev doesn't go away while rescanning [PATCH] libata: don't request sense if the port is frozen [PATCH] libata: fix READ CAPACITY simulation [PATCH] libata: implement ATA_FLAG_SETXFER_POLLING and use it in pata_via, take #2 [PATCH] libata: set IRQF_SHARED for legacy PCI IDE IRQs [PATCH] libata: remove unused HSM_ST_UNKNOWN [PATCH] libata: kill unnecessary sht->max_sectors initializations [PATCH] libata: add missing sht->slave_destroy ...
Diffstat (limited to 'drivers/ata/pata_cs5520.c')
-rw-r--r--drivers/ata/pata_cs5520.c25
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/ata/pata_cs5520.c b/drivers/ata/pata_cs5520.c
index 33d2b88f9c7..9f165a8e032 100644
--- a/drivers/ata/pata_cs5520.c
+++ b/drivers/ata/pata_cs5520.c
@@ -41,7 +41,7 @@
#include <linux/libata.h>
#define DRV_NAME "pata_cs5520"
-#define DRV_VERSION "0.6.2"
+#define DRV_VERSION "0.6.3"
struct pio_clocks
{
@@ -159,7 +159,6 @@ static struct scsi_host_template cs5520_sht = {
.can_queue = ATA_DEF_QUEUE,
.this_id = ATA_SHT_THIS_ID,
.sg_tablesize = LIBATA_MAX_PRD,
- .max_sectors = ATA_MAX_SECTORS,
.cmd_per_lun = ATA_SHT_CMD_PER_LUN,
.emulated = ATA_SHT_EMULATED,
.use_clustering = ATA_SHT_USE_CLUSTERING,
@@ -168,6 +167,8 @@ static struct scsi_host_template cs5520_sht = {
.slave_configure = ata_scsi_slave_config,
.slave_destroy = ata_scsi_slave_destroy,
.bios_param = ata_std_bios_param,
+ .resume = ata_scsi_device_resume,
+ .suspend = ata_scsi_device_suspend,
};
static struct ata_port_operations cs5520_port_ops = {
@@ -297,6 +298,22 @@ static void __devexit cs5520_remove_one(struct pci_dev *pdev)
dev_set_drvdata(dev, NULL);
}
+/**
+ * cs5520_reinit_one - device resume
+ * @pdev: PCI device
+ *
+ * Do any reconfiguration work needed by a resume from RAM. We need
+ * to restore DMA mode support on BIOSen which disabled it
+ */
+
+static int cs5520_reinit_one(struct pci_dev *pdev)
+{
+ u8 pcicfg;
+ pci_read_config_byte(pdev, 0x60, &pcicfg);
+ if ((pcicfg & 0x40) == 0)
+ pci_write_config_byte(pdev, 0x60, pcicfg | 0x40);
+ return ata_pci_device_resume(pdev);
+}
/* For now keep DMA off. We can set it for all but A rev CS5510 once the
core ATA code can handle it */
@@ -311,7 +328,9 @@ static struct pci_driver cs5520_pci_driver = {
.name = DRV_NAME,
.id_table = pata_cs5520,
.probe = cs5520_init_one,
- .remove = cs5520_remove_one
+ .remove = cs5520_remove_one,
+ .suspend = ata_pci_device_suspend,
+ .resume = cs5520_reinit_one,
};
static int __init cs5520_init(void)