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| author | Bjorn Helgaas <bhelgaas@google.com> | 2016-03-15 16:55:52 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2016-03-15 16:55:52 +0300 |
| commit | 562df5c8521e1371f3cbd0b7b868034da376d714 (patch) | |
| tree | 798a5b2f688a60307889c632a20e32aae65d51fa /drivers/pci/host/pci-dra7xx.c | |
| parent | c334f9c89e40d2c9f4598e87e186bf3264d39e51 (diff) | |
| parent | 5a3aa2a8fae4ce1a3ad786d212b8fffca8ee72f5 (diff) | |
| download | linux-562df5c8521e1371f3cbd0b7b868034da376d714.tar.xz | |
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/pci-dra7xx.c')
| -rw-r--r-- | drivers/pci/host/pci-dra7xx.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/drivers/pci/host/pci-dra7xx.c b/drivers/pci/host/pci-dra7xx.c index 923607bdabc5..2ca3a1f30ebf 100644 --- a/drivers/pci/host/pci-dra7xx.c +++ b/drivers/pci/host/pci-dra7xx.c @@ -10,7 +10,6 @@ * published by the Free Software Foundation. */ -#include <linux/delay.h> #include <linux/err.h> #include <linux/interrupt.h> #include <linux/irq.h> @@ -108,7 +107,6 @@ static int dra7xx_pcie_establish_link(struct pcie_port *pp) { struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pp); u32 reg; - unsigned int retries; if (dw_pcie_link_up(pp)) { dev_err(pp->dev, "link is already up\n"); @@ -119,14 +117,7 @@ static int dra7xx_pcie_establish_link(struct pcie_port *pp) reg |= LTSSM_EN; dra7xx_pcie_writel(dra7xx, PCIECTRL_DRA7XX_CONF_DEVICE_CMD, reg); - for (retries = 0; retries < 1000; retries++) { - if (dw_pcie_link_up(pp)) - return 0; - usleep_range(10, 20); - } - - dev_err(pp->dev, "link is not up\n"); - return -EINVAL; + return dw_pcie_wait_for_link(pp); } static void dra7xx_pcie_enable_interrupts(struct pcie_port *pp) |