From fd6c29e3dec9e44ecbcba3c57efa08af70a10f1e Mon Sep 17 00:00:00 2001 From: ashish kalra Date: Wed, 1 Jul 2009 20:59:43 +0530 Subject: [PATCH] sata_fsl: Add asynchronous notification support Enable device hot-plug support on Port multiplier fan-out ports Signed-off-by: Ashish Kalra Signed-off-by: Jeff Garzik --- drivers/ata/sata_fsl.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index 172b57e6543f..8a5d35b759dd 100644 --- a/drivers/ata/sata_fsl.c +++ b/drivers/ata/sata_fsl.c @@ -34,7 +34,7 @@ enum { SATA_FSL_HOST_FLAGS = (ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA | - ATA_FLAG_PMP | ATA_FLAG_NCQ), + ATA_FLAG_PMP | ATA_FLAG_NCQ | ATA_FLAG_AN), SATA_FSL_MAX_CMDS = SATA_FSL_QUEUE_DEPTH, SATA_FSL_CMD_HDR_SIZE = 16, /* 4 DWORDS */ @@ -132,7 +132,7 @@ enum { INT_ON_SINGL_DEVICE_ERR = (1 << 1), INT_ON_CMD_COMPLETE = 1, - INT_ON_ERROR = INT_ON_FATAL_ERR | + INT_ON_ERROR = INT_ON_FATAL_ERR | INT_ON_SNOTIFY_UPDATE | INT_ON_PHYRDY_CHG | INT_ON_SINGL_DEVICE_ERR, /* @@ -153,7 +153,7 @@ enum { IE_ON_CMD_COMPLETE = 1, DEFAULT_PORT_IRQ_ENABLE_MASK = IE_ON_FATAL_ERR | IE_ON_PHYRDY_CHG | - IE_ON_SIGNATURE_UPDATE | + IE_ON_SIGNATURE_UPDATE | IE_ON_SNOTIFY_UPDATE | IE_ON_SINGL_DEVICE_ERR | IE_ON_CMD_COMPLETE, EXT_INDIRECT_SEG_PRD_FLAG = (1 << 31), @@ -992,9 +992,8 @@ static void sata_fsl_error_intr(struct ata_port *ap) */ sata_fsl_scr_read(&ap->link, SCR_ERROR, &SError); - if (unlikely(SError & 0xFFFF0000)) { + if (unlikely(SError & 0xFFFF0000)) sata_fsl_scr_write(&ap->link, SCR_ERROR, SError); - } DPRINTK("error_intr,hStat=0x%x,CE=0x%x,DE =0x%x,SErr=0x%x\n", hstatus, cereg, ioread32(hcr_base + DE), SError); @@ -1007,6 +1006,10 @@ static void sata_fsl_error_intr(struct ata_port *ap) freeze = 1; } + /* Handle SDB FIS receive & notify update */ + if (hstatus & INT_ON_SNOTIFY_UPDATE) + sata_async_notification(ap); + /* Handle PHYRDY change notification */ if (hstatus & INT_ON_PHYRDY_CHG) { DPRINTK("SATA FSL: PHYRDY change indication\n"); @@ -1070,9 +1073,9 @@ static void sata_fsl_error_intr(struct ata_port *ap) } /* record error info */ - if (qc) { + if (qc) qc->err_mask |= err_mask; - } else + else ehi->err_mask |= err_mask; ehi->action |= action; @@ -1103,7 +1106,6 @@ static void sata_fsl_host_intr(struct ata_port *ap) if (unlikely(SError & 0xFFFF0000)) { DPRINTK("serror @host_intr : 0x%x\n", SError); sata_fsl_error_intr(ap); - } if (unlikely(hstatus & INT_ON_ERROR)) { -- 2.39.5