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authorArnd Bergmann <arnd@arndb.de>2012-11-16 17:11:46 +0100
committerArnd Bergmann <arnd@arndb.de>2012-11-16 17:11:46 +0100
commitbac2f668864eca45b702ee394bef4c5f3a86658c (patch)
tree9b82100e2f447ae2b3b20f4a935b8020c885adcf /drivers/pci/proc.c
parentcff9f37a1e7b2565f254b5ab40c3213cc0f823a1 (diff)
parent632506a21a3b5f0596e89d55cda6b482bec331a3 (diff)
Merge tag 'imx-dt' of git://git.pengutronix.de/git/imx/linux-2.6 into next/dt
From Sascha Hauer <s.hauer@pengutronix.de>: ARM i.MX dt updates for 3.8 * tag 'imx-dt' of git://git.pengutronix.de/git/imx/linux-2.6: Add device tree file for the armadeus apf27 ARM i.MX: Add Ka-Ro TX25 devicetree ARM i.MX25: Add devicetree ARM i.MX25: Add devicetree support ARM i.MX25: Add missing clock gates Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/pci/proc.c')
-rw-r--r--drivers/pci/proc.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index eb907a8faf2a..9b8505ccc56d 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -76,6 +76,8 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
if (!access_ok(VERIFY_WRITE, buf, cnt))
return -EINVAL;
+ pci_config_pm_runtime_get(dev);
+
if ((pos & 1) && cnt) {
unsigned char val;
pci_user_read_config_byte(dev, pos, &val);
@@ -121,6 +123,8 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
cnt--;
}
+ pci_config_pm_runtime_put(dev);
+
*ppos = pos;
return nbytes;
}
@@ -146,6 +150,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof
if (!access_ok(VERIFY_READ, buf, cnt))
return -EINVAL;
+ pci_config_pm_runtime_get(dev);
+
if ((pos & 1) && cnt) {
unsigned char val;
__get_user(val, buf);
@@ -191,6 +197,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof
cnt--;
}
+ pci_config_pm_runtime_put(dev);
+
*ppos = pos;
i_size_write(ino, dp->size);
return nbytes;