diff options
Diffstat (limited to 'drivers/misc/spear13xx_pcie_gadget.c')
| -rw-r--r-- | drivers/misc/spear13xx_pcie_gadget.c | 69 |
1 files changed, 47 insertions, 22 deletions
diff --git a/drivers/misc/spear13xx_pcie_gadget.c b/drivers/misc/spear13xx_pcie_gadget.c index 7deb25dc86a7..2e13614d41e8 100644 --- a/drivers/misc/spear13xx_pcie_gadget.c +++ b/drivers/misc/spear13xx_pcie_gadget.c @@ -316,8 +316,12 @@ static ssize_t pcie_gadget_store_no_of_msi( struct spear_pcie_gadget_config *config, const char *buf, size_t count) { - if (strict_strtoul(buf, 0, &config->requested_msi)) - return -EINVAL; + int ret; + + ret = kstrtoul(buf, 0, &config->requested_msi); + if (ret) + return ret; + if (config->requested_msi > 32) config->requested_msi = 32; @@ -330,9 +334,11 @@ static ssize_t pcie_gadget_store_inta( { struct pcie_app_reg __iomem *app_reg = config->va_app_base; ulong en; + int ret; - if (strict_strtoul(buf, 0, &en)) - return -EINVAL; + ret = kstrtoul(buf, 0, &en); + if (ret) + return ret; if (en) writel(readl(&app_reg->app_ctrl_0) | (1 << SYS_INT_ID), @@ -351,9 +357,11 @@ static ssize_t pcie_gadget_store_send_msi( struct pcie_app_reg __iomem *app_reg = config->va_app_base; ulong vector; u32 ven_msi; + int ret; - if (strict_strtoul(buf, 0, &vector)) - return -EINVAL; + ret = kstrtoul(buf, 0, &vector); + if (ret) + return ret; if (!config->configured_msi) return -EINVAL; @@ -395,9 +403,11 @@ static ssize_t pcie_gadget_store_vendor_id( const char *buf, size_t count) { ulong id; + int ret; - if (strict_strtoul(buf, 0, &id)) - return -EINVAL; + ret = kstrtoul(buf, 0, &id); + if (ret) + return ret; spear_dbi_write_reg(config, PCI_VENDOR_ID, 2, id); @@ -420,9 +430,11 @@ static ssize_t pcie_gadget_store_device_id( const char *buf, size_t count) { ulong id; + int ret; - if (strict_strtoul(buf, 0, &id)) - return -EINVAL; + ret = kstrtoul(buf, 0, &id); + if (ret) + return ret; spear_dbi_write_reg(config, PCI_DEVICE_ID, 2, id); @@ -443,9 +455,12 @@ static ssize_t pcie_gadget_store_bar0_size( ulong size; u32 pos, pos1; u32 no_of_bit = 0; + int ret; + + ret = kstrtoul(buf, 0, &size); + if (ret) + return ret; - if (strict_strtoul(buf, 0, &size)) - return -EINVAL; /* min bar size is 256 */ if (size <= 0x100) size = 0x100; @@ -490,9 +505,11 @@ static ssize_t pcie_gadget_store_bar0_address( { struct pcie_app_reg __iomem *app_reg = config->va_app_base; ulong address; + int ret; - if (strict_strtoul(buf, 0, &address)) - return -EINVAL; + ret = kstrtoul(buf, 0, &address); + if (ret) + return ret; address &= ~(config->bar0_size - 1); if (config->va_bar0_address) @@ -518,9 +535,11 @@ static ssize_t pcie_gadget_store_bar0_rw_offset( const char *buf, size_t count) { ulong offset; + int ret; - if (strict_strtoul(buf, 0, &offset)) - return -EINVAL; + ret = kstrtoul(buf, 0, &offset); + if (ret) + return ret; if (offset % 4) return -EINVAL; @@ -549,9 +568,11 @@ static ssize_t pcie_gadget_store_bar0_data( const char *buf, size_t count) { ulong data; + int ret; - if (strict_strtoul(buf, 0, &data)) - return -EINVAL; + ret = kstrtoul(buf, 0, &data); + if (ret) + return ret; if (!config->va_bar0_address) return -ENOMEM; @@ -776,7 +797,7 @@ static int spear_pcie_gadget_probe(struct platform_device *pdev) goto err_iounmap_app; } - dev_set_drvdata(&pdev->dev, target); + platform_set_drvdata(pdev, target); irq = platform_get_irq(pdev, 0); if (irq < 0) { @@ -814,9 +835,11 @@ static int spear_pcie_gadget_probe(struct platform_device *pdev) clk = clk_get_sys("pcie1", NULL); if (IS_ERR(clk)) { pr_err("%s:couldn't get clk for pcie1\n", __func__); + status = PTR_ERR(clk); goto err_irq; } - if (clk_enable(clk)) { + status = clk_enable(clk); + if (status) { pr_err("%s:couldn't enable clk for pcie1\n", __func__); goto err_irq; } @@ -828,9 +851,11 @@ static int spear_pcie_gadget_probe(struct platform_device *pdev) clk = clk_get_sys("pcie2", NULL); if (IS_ERR(clk)) { pr_err("%s:couldn't get clk for pcie2\n", __func__); + status = PTR_ERR(clk); goto err_irq; } - if (clk_enable(clk)) { + status = clk_enable(clk); + if (status) { pr_err("%s:couldn't enable clk for pcie2\n", __func__); goto err_irq; } @@ -863,7 +888,7 @@ static int spear_pcie_gadget_remove(struct platform_device *pdev) res0 = platform_get_resource(pdev, IORESOURCE_MEM, 0); res1 = platform_get_resource(pdev, IORESOURCE_MEM, 1); irq = platform_get_irq(pdev, 0); - target = dev_get_drvdata(&pdev->dev); + target = platform_get_drvdata(pdev); config = &target->config; free_irq(irq, NULL); |