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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-05-15 10:26:50 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2013-05-15 10:26:50 -0400
commit12e04ffcd93b25dfd726d46338c2ee7d23de556e (patch)
treef91479a62805619168994fd3ee55e3ffa23fc24e /drivers/spi/spi-pxa2xx.c
parent9eff37a8713939f218ab8bf0dc93f1d67af7b8b4 (diff)
parentf722406faae2d073cc1d01063d1123c35425939e (diff)
Merge tag 'v3.10-rc1' into stable/for-linus-3.10
Linux 3.10-rc1 * tag 'v3.10-rc1': (12273 commits) Linux 3.10-rc1 [SCSI] qla2xxx: Update firmware link in Kconfig file. [SCSI] iscsi class, qla4xxx: fix sess/conn refcounting when find fns are used [SCSI] sas: unify the pointlessly separated enums sas_dev_type and sas_device_type [SCSI] pm80xx: thermal, sas controller config and error handling update [SCSI] pm80xx: NCQ error handling changes [SCSI] pm80xx: WWN Modification for PM8081/88/89 controllers [SCSI] pm80xx: Changed module name and debug messages update [SCSI] pm80xx: Firmware flash memory free fix, with addition of new memory region for it [SCSI] pm80xx: SPC new firmware changes for device id 0x8081 alone [SCSI] pm80xx: Added SPCv/ve specific hardware functionalities and relevant changes in common files [SCSI] pm80xx: MSI-X implementation for using 64 interrupts [SCSI] pm80xx: Updated common functions common for SPC and SPCv/ve [SCSI] pm80xx: Multiple inbound/outbound queue configuration [SCSI] pm80xx: Added SPCv/ve specific ids, variables and modify for SPC [SCSI] lpfc: fix up Kconfig dependencies [SCSI] Handle MLQUEUE busy response in scsi_send_eh_cmnd dm cache: set config value dm cache: move config fns dm thin: generate event when metadata threshold passed ...
Diffstat (limited to 'drivers/spi/spi-pxa2xx.c')
-rw-r--r--drivers/spi/spi-pxa2xx.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index 810413883c7..f5d84d6f822 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -22,6 +22,7 @@
#include <linux/device.h>
#include <linux/ioport.h>
#include <linux/errno.h>
+#include <linux/err.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/spi/pxa2xx_spi.h>
@@ -68,6 +69,7 @@ MODULE_ALIAS("platform:pxa2xx-spi");
#define LPSS_TX_HITHRESH_DFLT 224
/* Offset from drv_data->lpss_base */
+#define SSP_REG 0x0c
#define SPI_CS_CONTROL 0x18
#define SPI_CS_CONTROL_SW_MODE BIT(0)
#define SPI_CS_CONTROL_CS_HIGH BIT(1)
@@ -138,6 +140,10 @@ detection_done:
/* Enable software chip select control */
value = SPI_CS_CONTROL_SW_MODE | SPI_CS_CONTROL_CS_HIGH;
__lpss_ssp_write_priv(drv_data, SPI_CS_CONTROL, value);
+
+ /* Enable multiblock DMA transfers */
+ if (drv_data->master_info->enable_dma)
+ __lpss_ssp_write_priv(drv_data, SSP_REG, 1);
}
static void lpss_ssp_cs_control(struct driver_data *drv_data, bool enable)
@@ -1083,11 +1089,9 @@ pxa2xx_spi_acpi_get_pdata(struct platform_device *pdev)
ssp = &pdata->ssp;
ssp->phys_base = res->start;
- ssp->mmio_base = devm_request_and_ioremap(&pdev->dev, res);
- if (!ssp->mmio_base) {
- dev_err(&pdev->dev, "failed to ioremap mmio_base\n");
- return NULL;
- }
+ ssp->mmio_base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(ssp->mmio_base))
+ return PTR_ERR(ssp->mmio_base);
ssp->clk = devm_clk_get(&pdev->dev, NULL);
ssp->irq = platform_get_irq(pdev, 0);