UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge remote-tracking branches 'spi/fix/atmel', 'spi/fix/pxa2xx' and 'spi/fix/unregiser' into spi-linus

This commit is contained in:
Mark Brown 2018-04-02 15:56:24 +01:00
parent 43ff2dcef0 9581329eff e2b714afee 613bd1ea38
commit 3ce2dcf702
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
3 changed files with 9 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/spi/spi-atmel.c
View File

@ -1512,6 +1512,11 @@ static void atmel_spi_init(struct atmel_spi *as)
{
spi_writel(as, CR, SPI_BIT(SWRST));
spi_writel(as, CR, SPI_BIT(SWRST)); /* AT91SAM9263 Rev B workaround */
/* It is recommended to enable FIFOs first thing after reset */
if (as->fifo_size)
spi_writel(as, CR, SPI_BIT(FIFOEN));
if (as->caps.has_wdrbt) {
spi_writel(as, MR, SPI_BIT(WDRBT) | SPI_BIT(MODFDIS)
| SPI_BIT(MSTR));
@ -1522,9 +1527,6 @@ static void atmel_spi_init(struct atmel_spi *as)
if (as->use_pdc)
spi_writel(as, PTCR, SPI_BIT(RXTDIS) | SPI_BIT(TXTDIS));
spi_writel(as, CR, SPI_BIT(SPIEN));
if (as->fifo_size)
spi_writel(as, CR, SPI_BIT(FIFOEN));
}
static int atmel_spi_probe(struct platform_device *pdev)

2
drivers/spi/spi-pxa2xx.c
View File

@ -1802,6 +1802,8 @@ static int pxa2xx_spi_probe(struct platform_device *pdev)
return status;
out_error_clock_enabled:
pm_runtime_put_noidle(&pdev->dev);
pm_runtime_disable(&pdev->dev);
clk_disable_unprepare(ssp->clk);
pxa2xx_spi_dma_release(drv_data);
free_irq(ssp->irq, drv_data);

9
drivers/spi/spi.c
View File

@ -2260,12 +2260,6 @@ void spi_unregister_controller(struct spi_controller *ctlr)
mutex_lock(&board_lock);
found = idr_find(&spi_master_idr, id);
mutex_unlock(&board_lock);
if (found != ctlr) {
dev_dbg(&ctlr->dev,
"attempting to delete unregistered controller [%s]\n",
dev_name(&ctlr->dev));
return;
}
if (ctlr->queued) {
if (spi_destroy_queue(ctlr))
dev_err(&ctlr->dev, "queue remove failed\n");
@ -2278,7 +2272,8 @@ void spi_unregister_controller(struct spi_controller *ctlr)
device_unregister(&ctlr->dev);
/* free bus id */
mutex_lock(&board_lock);
idr_remove(&spi_master_idr, id);
if (found == ctlr)
idr_remove(&spi_master_idr, id);
mutex_unlock(&board_lock);
}
EXPORT_SYMBOL_GPL(spi_unregister_controller);