diff mbox

[3/4] pata_sil680: implement sff_irq_check() method

Message ID 201010081901.08447.sshtylyov@ru.mvista.com
State Not Applicable
Delegated to: David Miller
Headers show

Commit Message

Sergei Shtylyov Oct. 8, 2010, 3:01 p.m. UTC
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>

---
The patch is against the recent Linus' tree.

 drivers/ata/pata_sil680.c |   12 ++++++++++++
 1 file changed, 12 insertions(+)

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Comments

Alan Cox Oct. 8, 2010, 4:36 p.m. UTC | #1
On Fri, 8 Oct 2010 19:01:08 +0400
Sergei Shtylyov <sshtylyov@ru.mvista.com> wrote:

> Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
> 
> ---
> The patch is against the recent Linus' tree.

Same question again for these other two - test environment, results,
reason it is needed ?

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Sergei Shtylyov Oct. 9, 2010, 12:14 p.m. UTC | #2
Hello.

On 08-10-2010 20:36, Alan Cox wrote:

>> Signed-off-by: Sergei Shtylyov<sshtylyov@ru.mvista.com>

>> ---
>> The patch is against the recent Linus' tree.

> Same question again for these other two - test environment, results,
> reason it is needed ?

    Answered under the pata_cmd640 patch thread.

MBR, Sergei
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diff mbox

Patch

Index: linux-2.6/drivers/ata/pata_sil680.c
===================================================================
--- linux-2.6.orig/drivers/ata/pata_sil680.c
+++ linux-2.6/drivers/ata/pata_sil680.c
@@ -210,6 +210,17 @@  static void sil680_sff_exec_command(stru
 	ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_CMD);
 }
 
+static bool sil680_sff_irq_check(struct ata_port *ap)
+{
+	struct pci_dev *pdev	= to_pci_dev(ap->host->dev);
+	unsigned long addr	= sil680_selreg(ap, 1);
+	u8 val;
+
+	pci_read_config_byte(pdev, addr, &val);
+
+	return val & 0x08;
+}
+
 static struct scsi_host_template sil680_sht = {
 	ATA_BMDMA_SHT(DRV_NAME),
 };
@@ -218,6 +229,7 @@  static struct scsi_host_template sil680_
 static struct ata_port_operations sil680_port_ops = {
 	.inherits		= &ata_bmdma32_port_ops,
 	.sff_exec_command	= sil680_sff_exec_command,
+	.sff_irq_check		= sil680_sff_irq_check,
 	.cable_detect		= sil680_cable_detect,
 	.set_piomode		= sil680_set_piomode,
 	.set_dmamode		= sil680_set_dmamode,