diff mbox series

[1/2] Revert "PCI: rcar: Fix missing MACCTLR register setting in rcar_pcie_hw_init()"

Message ID 1572434824-1850-2-git-send-email-yoshihiro.shimoda.uh@renesas.com (mailing list archive)
State Superseded, archived
Headers show
Series PCI: rcar: Fix missing MACCTLR register setting (take2) | expand

Commit Message

Yoshihiro Shimoda Oct. 30, 2019, 11:27 a.m. UTC
This reverts commit 175cc093888ee74a17c4dd5f99ba9a6bc86de5be.

The commit description/code don't follow the manual accurately,
it's difficult to understand. So, this patch reverts the commit.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
---
 drivers/pci/controller/pcie-rcar.c | 4 ----
 1 file changed, 4 deletions(-)

Comments

Greg KH Oct. 30, 2019, 1:30 p.m. UTC | #1
On Wed, Oct 30, 2019 at 08:27:03PM +0900, Yoshihiro Shimoda wrote:
> This reverts commit 175cc093888ee74a17c4dd5f99ba9a6bc86de5be.
> 
> The commit description/code don't follow the manual accurately,
> it's difficult to understand. So, this patch reverts the commit.
> 
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
> ---
>  drivers/pci/controller/pcie-rcar.c | 4 ----
>  1 file changed, 4 deletions(-)

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>
diff mbox series

Patch

diff --git a/drivers/pci/controller/pcie-rcar.c b/drivers/pci/controller/pcie-rcar.c
index 0dadccb..40d8c54 100644
--- a/drivers/pci/controller/pcie-rcar.c
+++ b/drivers/pci/controller/pcie-rcar.c
@@ -91,7 +91,6 @@ 
 #define  LINK_SPEED_2_5GTS	(1 << 16)
 #define  LINK_SPEED_5_0GTS	(2 << 16)
 #define MACCTLR			0x011058
-#define  MACCTLR_RESERVED	BIT(0)
 #define  SPEED_CHANGE		BIT(24)
 #define  SCRAMBLE_DISABLE	BIT(27)
 #define PMSR			0x01105c
@@ -614,8 +613,6 @@  static int rcar_pcie_hw_init(struct rcar_pcie *pcie)
 	if (IS_ENABLED(CONFIG_PCI_MSI))
 		rcar_pci_write_reg(pcie, 0x801f0000, PCIEMSITXR);
 
-	rcar_rmw32(pcie, MACCTLR, MACCTLR_RESERVED, 0);
-
 	/* Finish initialization - establish a PCI Express link */
 	rcar_pci_write_reg(pcie, CFINIT, PCIETCTLR);
 
@@ -1238,7 +1235,6 @@  static int rcar_pcie_resume_noirq(struct device *dev)
 		return 0;
 
 	/* Re-establish the PCIe link */
-	rcar_rmw32(pcie, MACCTLR, MACCTLR_RESERVED, 0);
 	rcar_pci_write_reg(pcie, CFINIT, PCIETCTLR);
 	return rcar_pcie_wait_for_dl(pcie);
 }