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authorMark Brown <broonie@linaro.org>2014-01-14 14:14:47 +0000
committerMark Brown <broonie@linaro.org>2014-01-14 14:14:47 +0000
commit13ea3300100ec3461560b1e061033cd167333a86 (patch)
treec60a016a06c488adada6959516e2a2de96d6d7d3 /drivers/spi/spi-rspi.c
parentb7ed6b88b2a5e961eeb939ef637a3cbb435a23a7 (diff)
parent68e67d97e1f91ed11e041b67f3a1336f518c608f (diff)
Merge branch 'topic/rcar' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-rspi
Diffstat (limited to 'drivers/spi/spi-rspi.c')
-rw-r--r--drivers/spi/spi-rspi.c46
1 files changed, 16 insertions, 30 deletions
diff --git a/drivers/spi/spi-rspi.c b/drivers/spi/spi-rspi.c
index 90c81b3f343..587722495cf 100644
--- a/drivers/spi/spi-rspi.c
+++ b/drivers/spi/spi-rspi.c
@@ -300,7 +300,7 @@ static int qspi_set_config_register(const struct rspi_data *rspi,
spcmd = SPCMD_SPB_8BIT;
else if (access_size == 16)
spcmd = SPCMD_SPB_16BIT;
- else if (access_size == 32)
+ else
spcmd = SPCMD_SPB_32BIT;
spcmd |= SPCMD_SCKDEN | SPCMD_SLNDEN | rspi->spcmd | SPCMD_SPNDEN;
@@ -922,14 +922,9 @@ static void rspi_release_dma(struct rspi_data *rspi)
static int rspi_remove(struct platform_device *pdev)
{
- struct rspi_data *rspi = spi_master_get(platform_get_drvdata(pdev));
+ struct rspi_data *rspi = platform_get_drvdata(pdev);
- spi_unregister_master(rspi->master);
rspi_release_dma(rspi);
- free_irq(platform_get_irq(pdev, 0), rspi);
- clk_put(rspi->clk);
- iounmap(rspi->addr);
- spi_master_put(rspi->master);
return 0;
}
@@ -951,12 +946,6 @@ static int rspi_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "there is no set_config_register\n");
return -ENODEV;
}
- /* get base addr */
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (unlikely(res == NULL)) {
- dev_err(&pdev->dev, "invalid resource\n");
- return -EINVAL;
- }
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
@@ -974,19 +963,20 @@ static int rspi_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, rspi);
rspi->ops = ops;
rspi->master = master;
- rspi->addr = ioremap(res->start, resource_size(res));
- if (rspi->addr == NULL) {
- dev_err(&pdev->dev, "ioremap error.\n");
- ret = -ENOMEM;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ rspi->addr = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(rspi->addr)) {
+ ret = PTR_ERR(rspi->addr);
goto error1;
}
snprintf(clk_name, sizeof(clk_name), "%s%d", id_entry->name, pdev->id);
- rspi->clk = clk_get(&pdev->dev, clk_name);
+ rspi->clk = devm_clk_get(&pdev->dev, clk_name);
if (IS_ERR(rspi->clk)) {
dev_err(&pdev->dev, "cannot get clock\n");
ret = PTR_ERR(rspi->clk);
- goto error2;
+ goto error1;
}
clk_enable(rspi->clk);
@@ -1005,36 +995,32 @@ static int rspi_probe(struct platform_device *pdev)
master->cleanup = rspi_cleanup;
master->mode_bits = SPI_CPHA | SPI_CPOL;
- ret = request_irq(irq, rspi_irq, 0, dev_name(&pdev->dev), rspi);
+ ret = devm_request_irq(&pdev->dev, irq, rspi_irq, 0,
+ dev_name(&pdev->dev), rspi);
if (ret < 0) {
dev_err(&pdev->dev, "request_irq error\n");
- goto error3;
+ goto error1;
}
rspi->irq = irq;
ret = rspi_request_dma(rspi, pdev);
if (ret < 0) {
dev_err(&pdev->dev, "rspi_request_dma failed.\n");
- goto error4;
+ goto error2;
}
- ret = spi_register_master(master);
+ ret = devm_spi_register_master(&pdev->dev, master);
if (ret < 0) {
dev_err(&pdev->dev, "spi_register_master error.\n");
- goto error4;
+ goto error2;
}
dev_info(&pdev->dev, "probed\n");
return 0;
-error4:
- rspi_release_dma(rspi);
- free_irq(irq, rspi);
-error3:
- clk_put(rspi->clk);
error2:
- iounmap(rspi->addr);
+ rspi_release_dma(rspi);
error1:
spi_master_put(master);