This is a note to let you know that I've just added the patch titled
pata_scc: propagate return value of scc_wait_after_reset
to the 3.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
pata_scc-propagate-return-value-of-scc_wait_after_reset.patch
and it can be found in the queue-3.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 4dc7c76cd500fa78c64adfda4b070b870a2b993c Mon Sep 17 00:00:00 2001
From: Arjun Sreedharan <arjun024@xxxxxxxxx>
Date: Sun, 17 Aug 2014 20:00:09 +0530
Subject: pata_scc: propagate return value of scc_wait_after_reset
From: Arjun Sreedharan <arjun024@xxxxxxxxx>
commit 4dc7c76cd500fa78c64adfda4b070b870a2b993c upstream.
scc_bus_softreset not necessarily should return zero.
Propagate the error code.
Signed-off-by: Arjun Sreedharan <arjun024@xxxxxxxxx>
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/ata/pata_scc.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
--- a/drivers/ata/pata_scc.c
+++ b/drivers/ata/pata_scc.c
@@ -586,7 +586,7 @@ static int scc_wait_after_reset(struct a
* Note: Original code is ata_bus_softreset().
*/
-static unsigned int scc_bus_softreset(struct ata_port *ap, unsigned int devmask,
+static int scc_bus_softreset(struct ata_port *ap, unsigned int devmask,
unsigned long deadline)
{
struct ata_ioports *ioaddr = &ap->ioaddr;
@@ -600,9 +600,7 @@ static unsigned int scc_bus_softreset(st
udelay(20);
out_be32(ioaddr->ctl_addr, ap->ctl);
- scc_wait_after_reset(&ap->link, devmask, deadline);
-
- return 0;
+ return scc_wait_after_reset(&ap->link, devmask, deadline);
}
/**
@@ -619,7 +617,8 @@ static int scc_softreset(struct ata_link
{
struct ata_port *ap = link->ap;
unsigned int slave_possible = ap->flags & ATA_FLAG_SLAVE_POSS;
- unsigned int devmask = 0, err_mask;
+ unsigned int devmask = 0;
+ int rc;
u8 err;
DPRINTK("ENTER\n");
@@ -635,9 +634,9 @@ static int scc_softreset(struct ata_link
/* issue bus reset */
DPRINTK("about to softreset, devmask=%x\n", devmask);
- err_mask = scc_bus_softreset(ap, devmask, deadline);
- if (err_mask) {
- ata_port_err(ap, "SRST failed (err_mask=0x%x)\n", err_mask);
+ rc = scc_bus_softreset(ap, devmask, deadline);
+ if (rc) {
+ ata_port_err(ap, "SRST failed (err_mask=0x%x)\n", rc);
return -EIO;
}
Patches currently in stable-queue which might be from arjun024@xxxxxxxxx are
queue-3.14/pata_scc-propagate-return-value-of-scc_wait_after_reset.patch
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