diff options
Diffstat (limited to 'drivers/pci/host/pcie-spear13xx.c')
| -rw-r--r-- | drivers/pci/host/pcie-spear13xx.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/drivers/pci/host/pcie-spear13xx.c b/drivers/pci/host/pcie-spear13xx.c index 020d78890719..c49fbdc0f6e4 100644 --- a/drivers/pci/host/pcie-spear13xx.c +++ b/drivers/pci/host/pcie-spear13xx.c @@ -4,8 +4,8 @@ * SPEAr13xx PCIe Glue Layer Source Code * * Copyright (C) 2010-2014 ST Microelectronics - * Pratyush Anand <pratyush.anand@st.com> - * Mohit Kumar <mohit.kumar@st.com> + * Pratyush Anand <pratyush.anand@gmail.com> + * Mohit Kumar <mohit.kumar.dhaka@gmail.com> * * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any @@ -146,10 +146,10 @@ struct pcie_app_reg { static int spear13xx_pcie_establish_link(struct pcie_port *pp) { u32 val; - int count = 0; 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"); @@ -201,17 +201,16 @@ static int spear13xx_pcie_establish_link(struct pcie_port *pp) &app_reg->app_ctrl_0); /* check if the link is up or not */ - while (!dw_pcie_link_up(pp)) { - mdelay(100); - count++; - if (count == 10) { - dev_err(pp->dev, "link Fail\n"); - return -EINVAL; + for (retries = 0; retries < 10; retries++) { + if (dw_pcie_link_up(pp)) { + dev_info(pp->dev, "link up\n"); + return 0; } + mdelay(100); } - dev_info(pp->dev, "link up\n"); - return 0; + dev_err(pp->dev, "link Fail\n"); + return -EINVAL; } static irqreturn_t spear13xx_pcie_irq_handler(int irq, void *arg) @@ -387,5 +386,5 @@ static int __init spear13xx_pcie_init(void) module_init(spear13xx_pcie_init); MODULE_DESCRIPTION("ST Microelectronics SPEAr13xx PCIe host controller driver"); -MODULE_AUTHOR("Pratyush Anand <pratyush.anand@st.com>"); +MODULE_AUTHOR("Pratyush Anand <pratyush.anand@gmail.com>"); MODULE_LICENSE("GPL v2"); |