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141 lines
4.6 KiB
Diff
141 lines
4.6 KiB
Diff
From 30b15d9a4b05e38ae19e340b63e1a2bca917d557 Mon Sep 17 00:00:00 2001
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From: Gabor Juhos <juhosg@openwrt.org>
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Date: Wed, 28 Mar 2012 14:15:23 +0200
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Subject: [PATCH 38/47] MIPS: ath79: use a helper function for USB resource initialization
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This improves code readability, and ensures that
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all resource fields will be initialized correctly.
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Additionally, it helps to reduce the size of the
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kernel image by using uninitialized resource
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variables.
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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
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---
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arch/mips/ath79/dev-usb.c | 64 +++++++++++++++++++-------------------------
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1 files changed, 28 insertions(+), 36 deletions(-)
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--- a/arch/mips/ath79/dev-usb.c
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+++ b/arch/mips/ath79/dev-usb.c
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@@ -25,17 +25,7 @@
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#include "common.h"
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#include "dev-usb.h"
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-static struct resource ath79_ohci_resources[] = {
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- [0] = {
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- /* .start and .end fields are filled dynamically */
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- .flags = IORESOURCE_MEM,
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- },
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- [1] = {
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- .start = ATH79_MISC_IRQ_OHCI,
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- .end = ATH79_MISC_IRQ_OHCI,
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- .flags = IORESOURCE_IRQ,
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- },
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-};
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+static struct resource ath79_ohci_resources[2];
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static u64 ath79_ohci_dmamask = DMA_BIT_MASK(32);
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@@ -54,17 +44,7 @@ static struct platform_device ath79_ohci
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},
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};
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-static struct resource ath79_ehci_resources[] = {
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- [0] = {
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- /* .start and .end fields are filled dynamically */
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- .flags = IORESOURCE_MEM,
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- },
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- [1] = {
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- .start = ATH79_CPU_IRQ_USB,
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- .end = ATH79_CPU_IRQ_USB,
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- .flags = IORESOURCE_IRQ,
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- },
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-};
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+static struct resource ath79_ehci_resources[2];
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static u64 ath79_ehci_dmamask = DMA_BIT_MASK(32);
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@@ -90,6 +70,20 @@ static struct platform_device ath79_ehci
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},
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};
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+static void __init ath79_usb_init_resource(struct resource res[2],
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+ unsigned long base,
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+ unsigned long size,
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+ int irq)
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+{
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+ res[0].flags = IORESOURCE_MEM;
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+ res[0].start = base;
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+ res[0].end = base + size - 1;
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+
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+ res[1].flags = IORESOURCE_IRQ;
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+ res[1].start = irq;
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+ res[1].end = irq;
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+}
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+
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#define AR71XX_USB_RESET_MASK (AR71XX_RESET_USB_HOST | \
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AR71XX_RESET_USB_PHY | \
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AR71XX_RESET_USB_OHCI_DLL)
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@@ -114,12 +108,12 @@ static void __init ath79_usb_setup(void)
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mdelay(900);
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- ath79_ohci_resources[0].start = AR71XX_OHCI_BASE;
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- ath79_ohci_resources[0].end = AR71XX_OHCI_BASE + AR71XX_OHCI_SIZE - 1;
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+ ath79_usb_init_resource(ath79_ohci_resources, AR71XX_OHCI_BASE,
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+ AR71XX_OHCI_SIZE, ATH79_MISC_IRQ_OHCI);
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platform_device_register(&ath79_ohci_device);
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- ath79_ehci_resources[0].start = AR71XX_EHCI_BASE;
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- ath79_ehci_resources[0].end = AR71XX_EHCI_BASE + AR71XX_EHCI_SIZE - 1;
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+ ath79_usb_init_resource(ath79_ehci_resources, AR71XX_EHCI_BASE,
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+ AR71XX_EHCI_SIZE, ATH79_CPU_IRQ_USB);
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ath79_ehci_device.dev.platform_data = &ath79_ehci_pdata_v1;
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platform_device_register(&ath79_ehci_device);
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}
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@@ -143,10 +137,8 @@ static void __init ar7240_usb_setup(void
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iounmap(usb_ctrl_base);
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- ath79_ohci_resources[0].start = AR7240_OHCI_BASE;
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- ath79_ohci_resources[0].end = AR7240_OHCI_BASE + AR7240_OHCI_SIZE - 1;
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- ath79_ohci_resources[1].start = ATH79_CPU_IRQ_USB;
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- ath79_ohci_resources[1].end = ATH79_CPU_IRQ_USB;
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+ ath79_usb_init_resource(ath79_ohci_resources, AR7240_OHCI_BASE,
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+ AR7240_OHCI_SIZE, ATH79_CPU_IRQ_USB);
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platform_device_register(&ath79_ohci_device);
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}
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@@ -161,8 +153,8 @@ static void __init ar724x_usb_setup(void
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ath79_device_reset_clear(AR724X_RESET_USB_PHY);
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mdelay(10);
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- ath79_ehci_resources[0].start = AR724X_EHCI_BASE;
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- ath79_ehci_resources[0].end = AR724X_EHCI_BASE + AR724X_EHCI_SIZE - 1;
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+ ath79_usb_init_resource(ath79_ehci_resources, AR724X_EHCI_BASE,
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+ AR724X_EHCI_SIZE, ATH79_CPU_IRQ_USB);
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ath79_ehci_device.dev.platform_data = &ath79_ehci_pdata_v2;
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platform_device_register(&ath79_ehci_device);
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}
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@@ -178,8 +170,8 @@ static void __init ar913x_usb_setup(void
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ath79_device_reset_clear(AR913X_RESET_USB_PHY);
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mdelay(10);
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- ath79_ehci_resources[0].start = AR913X_EHCI_BASE;
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- ath79_ehci_resources[0].end = AR913X_EHCI_BASE + AR913X_EHCI_SIZE - 1;
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+ ath79_usb_init_resource(ath79_ehci_resources, AR913X_EHCI_BASE,
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+ AR913X_EHCI_SIZE, ATH79_CPU_IRQ_USB);
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ath79_ehci_device.dev.platform_data = &ath79_ehci_pdata_v2;
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platform_device_register(&ath79_ehci_device);
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}
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@@ -195,8 +187,8 @@ static void __init ar933x_usb_setup(void
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ath79_device_reset_clear(AR933X_RESET_USB_PHY);
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mdelay(10);
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- ath79_ehci_resources[0].start = AR933X_EHCI_BASE;
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- ath79_ehci_resources[0].end = AR933X_EHCI_BASE + AR933X_EHCI_SIZE - 1;
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+ ath79_usb_init_resource(ath79_ehci_resources, AR933X_EHCI_BASE,
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+ AR933X_EHCI_SIZE, ATH79_CPU_IRQ_USB);
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ath79_ehci_device.dev.platform_data = &ath79_ehci_pdata_v2;
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platform_device_register(&ath79_ehci_device);
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}
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