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authorHeiner Kallweit <hkallweit1@gmail.com>2015-08-26 21:21:50 +0200
committerMark Brown <broonie@kernel.org>2015-08-28 18:15:18 +0100
commit4178b6b1b595003cd6e04711b449797a582e44f5 (patch)
treee762d94a809abe67697f723bd98f5a9447858d93 /drivers/spi
parentbc0195aad0daa2ad5b0d76cce22b167bc3435590 (diff)
downloadlinux-4178b6b1b595003cd6e04711b449797a582e44f5.tar.bz2
spi: fsl-(e)spi: migrate to using devm_ functions to simplify cleanup
Migrate fsl-espi and fsl-spi to using the managed devm_ functions for resource handling. This simplifies the cleanup. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi-fsl-espi.c20
-rw-r--r--drivers/spi/spi-fsl-lib.c4
-rw-r--r--drivers/spi/spi-fsl-spi.c21
3 files changed, 13 insertions, 32 deletions
diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c
index d3f05a0525a4..f35eb2c46782 100644
--- a/drivers/spi/spi-fsl-espi.c
+++ b/drivers/spi/spi-fsl-espi.c
@@ -604,11 +604,6 @@ static irqreturn_t fsl_espi_irq(s32 irq, void *context_data)
return ret;
}
-static void fsl_espi_remove(struct mpc8xxx_spi *mspi)
-{
- iounmap(mspi->reg_base);
-}
-
static int fsl_espi_suspend(struct spi_master *master)
{
struct mpc8xxx_spi *mpc8xxx_spi;
@@ -671,9 +666,8 @@ static struct spi_master * fsl_espi_probe(struct device *dev,
master->unprepare_transfer_hardware = fsl_espi_suspend;
mpc8xxx_spi = spi_master_get_devdata(master);
- mpc8xxx_spi->spi_remove = fsl_espi_remove;
- mpc8xxx_spi->reg_base = ioremap(mem->start, resource_size(mem));
+ mpc8xxx_spi->reg_base = devm_ioremap_resource(dev, mem);
if (!mpc8xxx_spi->reg_base) {
ret = -ENOMEM;
goto err_probe;
@@ -682,10 +676,10 @@ static struct spi_master * fsl_espi_probe(struct device *dev,
reg_base = mpc8xxx_spi->reg_base;
/* Register for SPI Interrupt */
- ret = request_irq(mpc8xxx_spi->irq, fsl_espi_irq,
+ ret = devm_request_irq(dev, mpc8xxx_spi->irq, fsl_espi_irq,
0, "fsl_espi", mpc8xxx_spi);
if (ret)
- goto free_irq;
+ goto err_probe;
if (mpc8xxx_spi->flags & SPI_QE_CPU_MODE) {
mpc8xxx_spi->rx_shift = 16;
@@ -731,18 +725,14 @@ static struct spi_master * fsl_espi_probe(struct device *dev,
mpc8xxx_spi_write_reg(&reg_base->mode, regval);
- ret = spi_register_master(master);
+ ret = devm_spi_register_master(dev, master);
if (ret < 0)
- goto unreg_master;
+ goto err_probe;
dev_info(dev, "at 0x%p (irq = %d)\n", reg_base, mpc8xxx_spi->irq);
return master;
-unreg_master:
- free_irq(mpc8xxx_spi->irq, mpc8xxx_spi);
-free_irq:
- iounmap(mpc8xxx_spi->reg_base);
err_probe:
spi_master_put(master);
err:
diff --git a/drivers/spi/spi-fsl-lib.c b/drivers/spi/spi-fsl-lib.c
index cb35d2f0d0e6..e50fd066af06 100644
--- a/drivers/spi/spi-fsl-lib.c
+++ b/drivers/spi/spi-fsl-lib.c
@@ -122,10 +122,6 @@ int mpc8xxx_spi_remove(struct device *dev)
master = dev_get_drvdata(dev);
mpc8xxx_spi = spi_master_get_devdata(master);
- spi_unregister_master(master);
-
- free_irq(mpc8xxx_spi->irq, mpc8xxx_spi);
-
if (mpc8xxx_spi->spi_remove)
mpc8xxx_spi->spi_remove(mpc8xxx_spi);
diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c
index 60c590790854..8bfbe9e04bfd 100644
--- a/drivers/spi/spi-fsl-spi.c
+++ b/drivers/spi/spi-fsl-spi.c
@@ -561,7 +561,6 @@ static irqreturn_t fsl_spi_irq(s32 irq, void *context_data)
static void fsl_spi_remove(struct mpc8xxx_spi *mspi)
{
- iounmap(mspi->reg_base);
fsl_spi_cpm_free(mspi);
}
@@ -639,10 +638,10 @@ static struct spi_master * fsl_spi_probe(struct device *dev,
if (ret)
goto err_cpm_init;
- mpc8xxx_spi->reg_base = ioremap(mem->start, resource_size(mem));
+ mpc8xxx_spi->reg_base = devm_ioremap_resource(dev, mem);
if (mpc8xxx_spi->reg_base == NULL) {
ret = -ENOMEM;
- goto err_ioremap;
+ goto err_probe;
}
if (mpc8xxx_spi->type == TYPE_GRLIB)
@@ -661,11 +660,11 @@ static struct spi_master * fsl_spi_probe(struct device *dev,
&mpc8xxx_spi->tx_shift, 8, 1);
/* Register for SPI Interrupt */
- ret = request_irq(mpc8xxx_spi->irq, fsl_spi_irq,
- 0, "fsl_spi", mpc8xxx_spi);
+ ret = devm_request_irq(dev, mpc8xxx_spi->irq, fsl_spi_irq,
+ 0, "fsl_spi", mpc8xxx_spi);
if (ret != 0)
- goto free_irq;
+ goto err_probe;
reg_base = mpc8xxx_spi->reg_base;
@@ -686,20 +685,16 @@ static struct spi_master * fsl_spi_probe(struct device *dev,
mpc8xxx_spi_write_reg(&reg_base->mode, regval);
- ret = spi_register_master(master);
+ ret = devm_spi_register_master(dev, master);
if (ret < 0)
- goto unreg_master;
+ goto err_probe;
dev_info(dev, "at 0x%p (irq = %d), %s mode\n", reg_base,
mpc8xxx_spi->irq, mpc8xxx_spi_strmode(mpc8xxx_spi->flags));
return master;
-unreg_master:
- free_irq(mpc8xxx_spi->irq, mpc8xxx_spi);
-free_irq:
- iounmap(mpc8xxx_spi->reg_base);
-err_ioremap:
+err_probe:
fsl_spi_cpm_free(mpc8xxx_spi);
err_cpm_init:
spi_master_put(master);