xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Merge branch 'omap4-i2c-init' into omap-for-linus

Telusuri Sumber
This commit is contained in:
Tony Lindgren
2010-05-20 11:37:23 -07:00
orang tua 4fa73a1bf8 6daa642d9b
melakukan f6304f5804
1466 mengubah file dengan 69853 tambahan dan 30588 penghapusan
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25
drivers/spi/pxa2xx_spi.c
Melihat File

@@ -36,8 +36,7 @@
#include <asm/delay.h>
#include <mach/dma.h>
#include <mach/regs-ssp.h>
#include <mach/ssp.h>
#include <plat/ssp.h>
#include <mach/pxa2xx_spi.h>
MODULE_AUTHOR("Stephen Street");
@@ -1318,14 +1317,14 @@ static int setup(struct spi_device *spi)
/* NOTE: PXA25x_SSP _could_ use external clocking ... */
if (drv_data->ssp_type != PXA25x_SSP)
dev_dbg(&spi->dev, "%ld Hz actual, %s\n",
clk_get_rate(ssp->clk)
/ (1 + ((chip->cr0 & SSCR0_SCR) >> 8)),
chip->enable_dma ? "DMA" : "PIO");
clk_get_rate(ssp->clk)
/ (1 + ((chip->cr0 & SSCR0_SCR(0xfff)) >> 8)),
chip->enable_dma ? "DMA" : "PIO");
else
dev_dbg(&spi->dev, "%ld Hz actual, %s\n",
clk_get_rate(ssp->clk) / 2
/ (1 + ((chip->cr0 & SSCR0_SCR) >> 8)),
chip->enable_dma ? "DMA" : "PIO");
clk_get_rate(ssp->clk) / 2
/ (1 + ((chip->cr0 & SSCR0_SCR(0x0ff)) >> 8)),
chip->enable_dma ? "DMA" : "PIO");
if (spi->bits_per_word <= 8) {
chip->n_bytes = 1;
@@ -1466,7 +1465,7 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev)
platform_info = dev->platform_data;
ssp = ssp_request(pdev->id, pdev->name);
ssp = pxa_ssp_request(pdev->id, pdev->name);
if (ssp == NULL) {
dev_err(&pdev->dev, "failed to request SSP%d\n", pdev->id);
return -ENODEV;
@@ -1476,7 +1475,7 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev)
master = spi_alloc_master(dev, sizeof(struct driver_data) + 16);
if (!master) {
dev_err(&pdev->dev, "cannot alloc spi_master\n");
ssp_free(ssp);
pxa_ssp_free(ssp);
return -ENOMEM;
}
drv_data = spi_master_get_devdata(master);
@@ -1558,7 +1557,7 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev)
write_SSCR1(SSCR1_RxTresh(RX_THRESH_DFLT) |
SSCR1_TxTresh(TX_THRESH_DFLT),
drv_data->ioaddr);
write_SSCR0(SSCR0_SerClkDiv(2)
write_SSCR0(SSCR0_SCR(2)
| SSCR0_Motorola
| SSCR0_DataSize(8),
drv_data->ioaddr);
@@ -1605,7 +1604,7 @@ out_error_irq_alloc:
out_error_master_alloc:
spi_master_put(master);
ssp_free(ssp);
pxa_ssp_free(ssp);
return status;
}
@@ -1649,7 +1648,7 @@ static int pxa2xx_spi_remove(struct platform_device *pdev)
free_irq(ssp->irq, drv_data);
/* Release SSP */
ssp_free(ssp);
pxa_ssp_free(ssp);
/* Disconnect from the SPI framework */
spi_unregister_master(drv_data->master);