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authorBjorn Helgaas <bhelgaas@google.com>2016-03-15 08:55:52 -0500
committerBjorn Helgaas <bhelgaas@google.com>2016-03-15 08:55:52 -0500
commit562df5c8521e1371f3cbd0b7b868034da376d714 (patch)
tree798a5b2f688a60307889c632a20e32aae65d51fa /drivers/pci/host/pcie-spear13xx.c
parentMerge branches 'pci/host-altera', 'pci/host-imx6', 'pci/host-keystone', 'pci/host-rcar', 'pci/host-tegra', 'pci/host-thunder', 'pci/host-vmd', 'pci/host-xilinx' and 'pci/host-xilinx-nwl' into next (diff)
parentPCI: designware: Add driver for prototyping kits based on ARC SDP (diff)
downloadlinux-dev-562df5c8521e1371f3cbd0b7b868034da376d714.tar.xz
linux-dev-562df5c8521e1371f3cbd0b7b868034da376d714.zip
Merge branch 'pci/host-designware' into next
* pci/host-designware: PCI: designware: Add driver for prototyping kits based on ARC SDP PCI: designware: Add default link up check if sub-driver doesn't override PCI: designware: Add generic dw_pcie_wait_for_link() ARC: Add PCI support
Diffstat (limited to 'drivers/pci/host/pcie-spear13xx.c')
-rw-r--r--drivers/pci/host/pcie-spear13xx.c14
1 files changed, 1 insertions, 13 deletions
diff --git a/drivers/pci/host/pcie-spear13xx.c b/drivers/pci/host/pcie-spear13xx.c
index a6cd8233e8c0..a4060b85ab23 100644
--- a/drivers/pci/host/pcie-spear13xx.c
+++ b/drivers/pci/host/pcie-spear13xx.c
@@ -13,7 +13,6 @@
*/
#include <linux/clk.h>
-#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
@@ -149,7 +148,6 @@ static int spear13xx_pcie_establish_link(struct pcie_port *pp)
struct spear13xx_pcie *spear13xx_pcie = to_spear13xx_pcie(pp);
struct pcie_app_reg *app_reg = spear13xx_pcie->app_base;
u32 exp_cap_off = EXP_CAP_ID_OFFSET;
- unsigned int retries;
if (dw_pcie_link_up(pp)) {
dev_err(pp->dev, "link already up\n");
@@ -200,17 +198,7 @@ static int spear13xx_pcie_establish_link(struct pcie_port *pp)
| ((u32)1 << REG_TRANSLATION_ENABLE),
&app_reg->app_ctrl_0);
- /* check if the link is up or not */
- for (retries = 0; retries < 10; retries++) {
- if (dw_pcie_link_up(pp)) {
- dev_info(pp->dev, "link up\n");
- return 0;
- }
- mdelay(100);
- }
-
- dev_err(pp->dev, "link Fail\n");
- return -EINVAL;
+ return dw_pcie_wait_for_link(pp);
}
static irqreturn_t spear13xx_pcie_irq_handler(int irq, void *arg)