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authorOlof Johansson <olof@lixom.net>2012-11-25 21:34:34 -0800
committerOlof Johansson <olof@lixom.net>2012-11-25 21:34:34 -0800
commit0f9cb211ba5db93d488fe6b154138231fdd0e22d (patch)
tree293871b042e9ebc49b1d783f1b110eef541ddc97 /drivers/ata/sata_svw.c
parent007108a2279123ad6639b6c653ad1a731febb60f (diff)
parent9489e9dcae718d5fde988e4a684a0f55b5f94d17 (diff)
Merge tag 'v3.7-rc7' into next/cleanup
Merging in mainline back to next/cleanup since it has collected a few conflicts between fixes going upstream and some of the cleanup patches. Git doesn't auto-resolve some of them, and they're mostly noise so let's take care of it locally. Conflicts are in: arch/arm/mach-omap2/omap_hwmod_44xx_data.c arch/arm/plat-omap/i2c.c drivers/video/omap2/dss/dss.c Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'drivers/ata/sata_svw.c')
-rw-r--r--drivers/ata/sata_svw.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c
index 44a4256533e..08608de87e4 100644
--- a/drivers/ata/sata_svw.c
+++ b/drivers/ata/sata_svw.c
@@ -142,6 +142,39 @@ static int k2_sata_scr_write(struct ata_link *link,
return 0;
}
+static int k2_sata_softreset(struct ata_link *link,
+ unsigned int *class, unsigned long deadline)
+{
+ u8 dmactl;
+ void __iomem *mmio = link->ap->ioaddr.bmdma_addr;
+
+ dmactl = readb(mmio + ATA_DMA_CMD);
+
+ /* Clear the start bit */
+ if (dmactl & ATA_DMA_START) {
+ dmactl &= ~ATA_DMA_START;
+ writeb(dmactl, mmio + ATA_DMA_CMD);
+ }
+
+ return ata_sff_softreset(link, class, deadline);
+}
+
+static int k2_sata_hardreset(struct ata_link *link,
+ unsigned int *class, unsigned long deadline)
+{
+ u8 dmactl;
+ void __iomem *mmio = link->ap->ioaddr.bmdma_addr;
+
+ dmactl = readb(mmio + ATA_DMA_CMD);
+
+ /* Clear the start bit */
+ if (dmactl & ATA_DMA_START) {
+ dmactl &= ~ATA_DMA_START;
+ writeb(dmactl, mmio + ATA_DMA_CMD);
+ }
+
+ return sata_sff_hardreset(link, class, deadline);
+}
static void k2_sata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
{
@@ -346,6 +379,8 @@ static struct scsi_host_template k2_sata_sht = {
static struct ata_port_operations k2_sata_ops = {
.inherits = &ata_bmdma_port_ops,
+ .softreset = k2_sata_softreset,
+ .hardreset = k2_sata_hardreset,
.sff_tf_load = k2_sata_tf_load,
.sff_tf_read = k2_sata_tf_read,
.sff_check_status = k2_stat_check_status,