[ARM] 4753/1: [AT91] Use DMA_BIT_MASK
Replace hard-coded DMA mask (0xffffffff) with DMA_BIT_MASK(32) as
defined in dma-mapping.h.
Set "dma_mask" field for the UART platform_devices.
Signed-off-by: Andrew Victor <linux@maxim.org.za>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c
index b4eb217..9bdcf45 100644
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -12,6 +12,7 @@
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
+#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <linux/i2c-gpio.h>
@@ -32,7 +33,7 @@
* -------------------------------------------------------------------- */
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
-static u64 ohci_dmamask = 0xffffffffUL;
+static u64 ohci_dmamask = DMA_BIT_MASK(32);
static struct at91_usbh_data usbh_data;
static struct resource usbh_resources[] = {
@@ -53,7 +54,7 @@
.id = -1,
.dev = {
.dma_mask = &ohci_dmamask,
- .coherent_dma_mask = 0xffffffff,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &usbh_data,
},
.resource = usbh_resources,
@@ -136,7 +137,7 @@
* -------------------------------------------------------------------- */
#if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE)
-static u64 eth_dmamask = 0xffffffffUL;
+static u64 eth_dmamask = DMA_BIT_MASK(32);
static struct at91_eth_data eth_data;
static struct resource eth_resources[] = {
@@ -157,7 +158,7 @@
.id = -1,
.dev = {
.dma_mask = ð_dmamask,
- .coherent_dma_mask = 0xffffffff,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = ð_data,
},
.resource = eth_resources,
@@ -210,7 +211,7 @@
* -------------------------------------------------------------------- */
#if defined(CONFIG_MMC_AT91) || defined(CONFIG_MMC_AT91_MODULE)
-static u64 mmc_dmamask = 0xffffffffUL;
+static u64 mmc_dmamask = DMA_BIT_MASK(32);
static struct at91_mmc_data mmc0_data, mmc1_data;
static struct resource mmc0_resources[] = {
@@ -231,7 +232,7 @@
.id = 0,
.dev = {
.dma_mask = &mmc_dmamask,
- .coherent_dma_mask = 0xffffffff,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &mmc0_data,
},
.resource = mmc0_resources,
@@ -256,7 +257,7 @@
.id = 1,
.dev = {
.dma_mask = &mmc_dmamask,
- .coherent_dma_mask = 0xffffffff,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &mmc1_data,
},
.resource = mmc1_resources,
@@ -500,7 +501,7 @@
* -------------------------------------------------------------------- */
#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
-static u64 spi_dmamask = 0xffffffffUL;
+static u64 spi_dmamask = DMA_BIT_MASK(32);
static struct resource spi0_resources[] = {
[0] = {
@@ -520,7 +521,7 @@
.id = 0,
.dev = {
.dma_mask = &spi_dmamask,
- .coherent_dma_mask = 0xffffffff,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
},
.resource = spi0_resources,
.num_resources = ARRAY_SIZE(spi0_resources),
@@ -546,7 +547,7 @@
.id = 1,
.dev = {
.dma_mask = &spi_dmamask,
- .coherent_dma_mask = 0xffffffff,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
},
.resource = spi1_resources,
.num_resources = ARRAY_SIZE(spi1_resources),
@@ -612,7 +613,7 @@
* -------------------------------------------------------------------- */
#if defined(CONFIG_SND_AT91_AC97) || defined(CONFIG_SND_AT91_AC97_MODULE)
-static u64 ac97_dmamask = 0xffffffffUL;
+static u64 ac97_dmamask = DMA_BIT_MASK(32);
static struct atmel_ac97_data ac97_data;
static struct resource ac97_resources[] = {
@@ -633,7 +634,7 @@
.id = 1,
.dev = {
.dma_mask = &ac97_dmamask,
- .coherent_dma_mask = 0xffffffff,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &ac97_data,
},
.resource = ac97_resources,
@@ -667,7 +668,7 @@
* -------------------------------------------------------------------- */
#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
-static u64 lcdc_dmamask = 0xffffffffUL;
+static u64 lcdc_dmamask = DMA_BIT_MASK(32);
static struct atmel_lcdfb_info lcdc_data;
static struct resource lcdc_resources[] = {
@@ -688,7 +689,7 @@
.id = 0,
.dev = {
.dma_mask = &lcdc_dmamask,
- .coherent_dma_mask = 0xffffffff,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &lcdc_data,
},
.resource = lcdc_resources,
@@ -889,12 +890,15 @@
.regs = (void __iomem *)(AT91_VA_BASE_SYS + AT91_DBGU),
};
+static u64 dbgu_dmamask = DMA_BIT_MASK(32);
+
static struct platform_device at91sam9263_dbgu_device = {
.name = "atmel_usart",
.id = 0,
.dev = {
- .platform_data = &dbgu_data,
- .coherent_dma_mask = 0xffffffff,
+ .dma_mask = &dbgu_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &dbgu_data,
},
.resource = dbgu_resources,
.num_resources = ARRAY_SIZE(dbgu_resources),
@@ -924,12 +928,15 @@
.use_dma_rx = 1,
};
+static u64 uart0_dmamask = DMA_BIT_MASK(32);
+
static struct platform_device at91sam9263_uart0_device = {
.name = "atmel_usart",
.id = 1,
.dev = {
- .platform_data = &uart0_data,
- .coherent_dma_mask = 0xffffffff,
+ .dma_mask = &uart0_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &uart0_data,
},
.resource = uart0_resources,
.num_resources = ARRAY_SIZE(uart0_resources),
@@ -961,12 +968,15 @@
.use_dma_rx = 1,
};
+static u64 uart1_dmamask = DMA_BIT_MASK(32);
+
static struct platform_device at91sam9263_uart1_device = {
.name = "atmel_usart",
.id = 2,
.dev = {
- .platform_data = &uart1_data,
- .coherent_dma_mask = 0xffffffff,
+ .dma_mask = &uart1_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &uart1_data,
},
.resource = uart1_resources,
.num_resources = ARRAY_SIZE(uart1_resources),
@@ -998,12 +1008,15 @@
.use_dma_rx = 1,
};
+static u64 uart2_dmamask = DMA_BIT_MASK(32);
+
static struct platform_device at91sam9263_uart2_device = {
.name = "atmel_usart",
.id = 3,
.dev = {
- .platform_data = &uart2_data,
- .coherent_dma_mask = 0xffffffff,
+ .dma_mask = &uart2_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &uart2_data,
},
.resource = uart2_resources,
.num_resources = ARRAY_SIZE(uart2_resources),
@@ -1017,7 +1030,7 @@
at91_set_B_periph(AT91_PIN_PD6, 0); /* CTS2 */
}
-struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
+static struct platform_device *at91_uarts[ATMEL_MAX_UART]; /* the UARTs to use */
struct platform_device *atmel_default_console_device; /* the serial console device */
void __init at91_init_serial(struct at91_uart_config *config)