diff mbox

[v2,5/5] MSI: Use __read_msi_msg() instead of read_msi_msg()

Message ID 1408694880-8260-6-git-send-email-wangyijing@huawei.com
State Changes Requested
Headers show

Commit Message

Yijing Wang Aug. 22, 2014, 8:08 a.m. UTC
Read_msi_msg() only be called in rtas_setup_msi_irqs(),
use __read_msi_msg() instead of read_msi_msg for
simplification. And rename __read_msi_msg() to
read_msi_msg().

Signed-off-by: Yijing Wang <wangyijing@huawei.com>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: linuxppc-dev@lists.ozlabs.org
---
 arch/powerpc/platforms/pseries/msi.c |    2 +-
 arch/x86/pci/xen.c                   |    2 +-
 drivers/pci/msi.c                    |    9 +--------
 include/linux/msi.h                  |    3 +--
 4 files changed, 4 insertions(+), 12 deletions(-)

Comments

Michael Ellerman Sept. 16, 2014, 6:34 a.m. UTC | #1
On Fri, 2014-08-22 at 16:08 +0800, Yijing Wang wrote:
> Read_msi_msg() only be called in rtas_setup_msi_irqs(),
> use __read_msi_msg() instead of read_msi_msg for
> simplification. And rename __read_msi_msg() to
> read_msi_msg().
> 
> Signed-off-by: Yijing Wang <wangyijing@huawei.com>
> CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> CC: linuxppc-dev@lists.ozlabs.org

LGTM.

Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)

cheers


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Yijing Wang Sept. 16, 2014, 6:47 a.m. UTC | #2
On 2014/9/16 14:34, Michael Ellerman wrote:
> On Fri, 2014-08-22 at 16:08 +0800, Yijing Wang wrote:
>> Read_msi_msg() only be called in rtas_setup_msi_irqs(),
>> use __read_msi_msg() instead of read_msi_msg for
>> simplification. And rename __read_msi_msg() to
>> read_msi_msg().
>>
>> Signed-off-by: Yijing Wang <wangyijing@huawei.com>
>> CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
>> CC: linuxppc-dev@lists.ozlabs.org
> 
> LGTM.
> 
> Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)

Thanks!

> 
> cheers
> 
> 
> 
>
diff mbox

Patch

diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index 18ff462..7e87878 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -485,7 +485,7 @@  again:
 		irq_set_msi_desc(virq, entry);
 
 		/* Read config space back so we can restore after reset */
-		read_msi_msg(virq, &msg);
+		read_msi_msg(entry, &msg);
 		entry->msg = msg;
 	}
 
diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c
index 093f5f4..ad03739 100644
--- a/arch/x86/pci/xen.c
+++ b/arch/x86/pci/xen.c
@@ -229,7 +229,7 @@  static int xen_hvm_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
 		return 1;
 
 	list_for_each_entry(msidesc, &dev->msi_list, list) {
-		__read_msi_msg(msidesc, &msg);
+		read_msi_msg(msidesc, &msg);
 		pirq = MSI_ADDR_EXT_DEST_ID(msg.address_hi) |
 			((msg.address_lo >> MSI_ADDR_DEST_ID_SHIFT) & 0xff);
 		if (msg.data != XEN_PIRQ_MSI_DATA ||
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 8746ecd..aff384a 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -259,7 +259,7 @@  void default_restore_msi_irqs(struct pci_dev *dev)
 	}
 }
 
-void __read_msi_msg(struct msi_desc *entry, struct msi_msg *msg)
+void read_msi_msg(struct msi_desc *entry, struct msi_msg *msg)
 {
 	BUG_ON(entry->dev->current_state != PCI_D0);
 
@@ -289,13 +289,6 @@  void __read_msi_msg(struct msi_desc *entry, struct msi_msg *msg)
 	}
 }
 
-void read_msi_msg(unsigned int irq, struct msi_msg *msg)
-{
-	struct msi_desc *entry = irq_get_msi_desc(irq);
-
-	__read_msi_msg(entry, msg);
-}
-
 void get_cached_msi_msg(struct msi_desc *entry, struct msi_msg *msg)
 {
 	/* Assert that the cache is valid, assuming that
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 329ec73..6be66f4 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -15,10 +15,9 @@  struct irq_data;
 struct msi_desc;
 void mask_msi_irq(struct irq_data *data);
 void unmask_msi_irq(struct irq_data *data);
-void __read_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
+void read_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
 void get_cached_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
 void __write_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
-void read_msi_msg(unsigned int irq, struct msi_msg *msg);
 void write_msi_msg(unsigned int irq, struct msi_msg *msg);
 
 struct msi_desc {