* [PATCH V2] spi: remove unnecessary platform_set_drvdata()
@ 2013-05-03 7:27 Jingoo Han
0 siblings, 0 replies; only message in thread
From: Jingoo Han @ 2013-05-03 7:27 UTC (permalink / raw)
To: 'Mark Brown'
Cc: 'Eric Miao', 'Jingoo Han',
'Haojian Zhuang', Russell King, 'Grant Likely',
spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f
The driver core clears the driver data to NULL after device_release
or on probe failure, since commit 0998d0631001288a5974afc0b2a5f568bcdecb4d
(device-core: Ensure drvdata = NULL when no driver is bound).
Thus, it is not needed to manually clear the device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>
---
Changes since v1:
- squashed all patches into a single patch
drivers/spi/spi-altera.c | 2 --
drivers/spi/spi-ath79.c | 2 --
drivers/spi/spi-au1550.c | 2 --
drivers/spi/spi-bcm63xx.c | 3 ---
drivers/spi/spi-bfin-sport.c | 3 ---
drivers/spi/spi-bfin5xx.c | 3 ---
drivers/spi/spi-clps711x.c | 2 --
drivers/spi/spi-coldfire-qspi.c | 1 -
drivers/spi/spi-dw-mmio.c | 2 --
drivers/spi/spi-ep93xx.c | 2 --
drivers/spi/spi-gpio.c | 2 --
drivers/spi/spi-imx.c | 3 ---
drivers/spi/spi-oc-tiny.c | 2 --
drivers/spi/spi-pxa2xx.c | 3 ---
drivers/spi/spi-s3c64xx.c | 2 --
15 files changed, 0 insertions(+), 34 deletions(-)
diff --git a/drivers/spi/spi-altera.c b/drivers/spi/spi-altera.c
index a537f8d..81b9adb 100644
--- a/drivers/spi/spi-altera.c
+++ b/drivers/spi/spi-altera.c
@@ -285,7 +285,6 @@ static int altera_spi_probe(struct platform_device *pdev)
exit_busy:
err = -EBUSY;
exit:
- platform_set_drvdata(pdev, NULL);
spi_master_put(master);
return err;
}
@@ -296,7 +295,6 @@ static int altera_spi_remove(struct platform_device *dev)
struct spi_master *master = hw->bitbang.master;
spi_bitbang_stop(&hw->bitbang);
- platform_set_drvdata(dev, NULL);
spi_master_put(master);
return 0;
}
diff --git a/drivers/spi/spi-ath79.c b/drivers/spi/spi-ath79.c
index e504b76..6f6d455 100644
--- a/drivers/spi/spi-ath79.c
+++ b/drivers/spi/spi-ath79.c
@@ -287,7 +287,6 @@ err_clk_put:
err_unmap:
iounmap(sp->base);
err_put_master:
- platform_set_drvdata(pdev, NULL);
spi_master_put(sp->bitbang.master);
return ret;
@@ -302,7 +301,6 @@ static int ath79_spi_remove(struct platform_device *pdev)
clk_disable(sp->clk);
clk_put(sp->clk);
iounmap(sp->base);
- platform_set_drvdata(pdev, NULL);
spi_master_put(sp->bitbang.master);
return 0;
diff --git a/drivers/spi/spi-au1550.c b/drivers/spi/spi-au1550.c
index 44dd34b..39560f4 100644
--- a/drivers/spi/spi-au1550.c
+++ b/drivers/spi/spi-au1550.c
@@ -987,8 +987,6 @@ static int au1550_spi_remove(struct platform_device *pdev)
au1xxx_dbdma_chan_free(hw->dma_tx_ch);
}
- platform_set_drvdata(pdev, NULL);
-
spi_master_put(hw->master);
return 0;
}
diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c
index a4ec5f4..099d083 100644
--- a/drivers/spi/spi-bcm63xx.c
+++ b/drivers/spi/spi-bcm63xx.c
@@ -469,7 +469,6 @@ static int bcm63xx_spi_probe(struct platform_device *pdev)
out_clk_disable:
clk_disable_unprepare(clk);
out_err:
- platform_set_drvdata(pdev, NULL);
spi_master_put(master);
out_clk:
clk_put(clk);
@@ -491,8 +490,6 @@ static int bcm63xx_spi_remove(struct platform_device *pdev)
clk_disable_unprepare(bs->clk);
clk_put(bs->clk);
- platform_set_drvdata(pdev, 0);
-
spi_master_put(master);
return 0;
diff --git a/drivers/spi/spi-bfin-sport.c b/drivers/spi/spi-bfin-sport.c
index 39b0d17..6d04c80 100644
--- a/drivers/spi/spi-bfin-sport.c
+++ b/drivers/spi/spi-bfin-sport.c
@@ -882,9 +882,6 @@ static int bfin_sport_spi_remove(struct platform_device *pdev)
peripheral_free_list(drv_data->pin_req);
- /* Prevent double remove */
- platform_set_drvdata(pdev, NULL);
-
return 0;
}
diff --git a/drivers/spi/spi-bfin5xx.c b/drivers/spi/spi-bfin5xx.c
index 317f564..68ca444 100644
--- a/drivers/spi/spi-bfin5xx.c
+++ b/drivers/spi/spi-bfin5xx.c
@@ -1418,9 +1418,6 @@ static int bfin_spi_remove(struct platform_device *pdev)
peripheral_free_list(drv_data->pin_req);
- /* Prevent double remove */
- platform_set_drvdata(pdev, NULL);
-
return 0;
}
diff --git a/drivers/spi/spi-clps711x.c b/drivers/spi/spi-clps711x.c
index a11cbf0..6859a02 100644
--- a/drivers/spi/spi-clps711x.c
+++ b/drivers/spi/spi-clps711x.c
@@ -254,7 +254,6 @@ err_out:
if (gpio_is_valid(hw->chipselect[i]))
gpio_free(hw->chipselect[i]);
- platform_set_drvdata(pdev, NULL);
spi_master_put(master);
kfree(master);
@@ -274,7 +273,6 @@ static int spi_clps711x_remove(struct platform_device *pdev)
gpio_free(hw->chipselect[i]);
devm_clk_put(&pdev->dev, hw->spi_clk);
- platform_set_drvdata(pdev, NULL);
spi_unregister_master(master);
kfree(master);
diff --git a/drivers/spi/spi-coldfire-qspi.c b/drivers/spi/spi-coldfire-qspi.c
index 7b5cc9e..3f17660 100644
--- a/drivers/spi/spi-coldfire-qspi.c
+++ b/drivers/spi/spi-coldfire-qspi.c
@@ -524,7 +524,6 @@ static int mcfqspi_remove(struct platform_device *pdev)
/* disable the hardware (set the baud rate to 0) */
mcfqspi_wr_qmr(mcfqspi, MCFQSPI_QMR_MSTR);
- platform_set_drvdata(pdev, NULL);
mcfqspi_cs_teardown(mcfqspi);
clk_disable(mcfqspi->clk);
clk_put(mcfqspi->clk);
diff --git a/drivers/spi/spi-dw-mmio.c b/drivers/spi/spi-dw-mmio.c
index 4a6d5c9..4aa8be8 100644
--- a/drivers/spi/spi-dw-mmio.c
+++ b/drivers/spi/spi-dw-mmio.c
@@ -111,8 +111,6 @@ static int dw_spi_mmio_remove(struct platform_device *pdev)
struct dw_spi_mmio *dwsmmio = platform_get_drvdata(pdev);
struct resource *mem;
- platform_set_drvdata(pdev, NULL);
-
clk_disable(dwsmmio->clk);
clk_put(dwsmmio->clk);
dwsmmio->clk = NULL;
diff --git a/drivers/spi/spi-ep93xx.c b/drivers/spi/spi-ep93xx.c
index d7bac60..8d4f2a6 100644
--- a/drivers/spi/spi-ep93xx.c
+++ b/drivers/spi/spi-ep93xx.c
@@ -1132,7 +1132,6 @@ fail_put_clock:
clk_put(espi->clk);
fail_release_master:
spi_master_put(master);
- platform_set_drvdata(pdev, NULL);
return error;
}
@@ -1167,7 +1166,6 @@ static int ep93xx_spi_remove(struct platform_device *pdev)
ep93xx_spi_release_dma(espi);
clk_put(espi->clk);
- platform_set_drvdata(pdev, NULL);
spi_unregister_master(master);
return 0;
diff --git a/drivers/spi/spi-gpio.c b/drivers/spi/spi-gpio.c
index 0021fc4..9672c7b 100644
--- a/drivers/spi/spi-gpio.c
+++ b/drivers/spi/spi-gpio.c
@@ -514,8 +514,6 @@ static int spi_gpio_remove(struct platform_device *pdev)
status = spi_bitbang_stop(&spi_gpio->bitbang);
spi_master_put(spi_gpio->bitbang.master);
- platform_set_drvdata(pdev, NULL);
-
if (SPI_MISO_GPIO != SPI_GPIO_NO_MISO)
gpio_free(SPI_MISO_GPIO);
if (SPI_MOSI_GPIO != SPI_GPIO_NO_MOSI)
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index 0befeeb..f4d7cac 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -902,7 +902,6 @@ out_gpio_free:
}
spi_master_put(master);
kfree(master);
- platform_set_drvdata(pdev, NULL);
return ret;
}
@@ -929,8 +928,6 @@ static int spi_imx_remove(struct platform_device *pdev)
release_mem_region(res->start, resource_size(res));
- platform_set_drvdata(pdev, NULL);
-
return 0;
}
diff --git a/drivers/spi/spi-oc-tiny.c b/drivers/spi/spi-oc-tiny.c
index e60a776..58deb79 100644
--- a/drivers/spi/spi-oc-tiny.c
+++ b/drivers/spi/spi-oc-tiny.c
@@ -368,7 +368,6 @@ exit_gpio:
exit_busy:
err = -EBUSY;
exit:
- platform_set_drvdata(pdev, NULL);
spi_master_put(master);
return err;
}
@@ -382,7 +381,6 @@ static int tiny_spi_remove(struct platform_device *pdev)
spi_bitbang_stop(&hw->bitbang);
for (i = 0; i < hw->gpio_cs_count; i++)
gpio_free(hw->gpio_cs[i]);
- platform_set_drvdata(pdev, NULL);
spi_master_put(master);
return 0;
}
diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c
index f5d84d6..5a7fa2c 100644
--- a/drivers/spi/spi-pxa2xx.c
+++ b/drivers/spi/spi-pxa2xx.c
@@ -1299,9 +1299,6 @@ static int pxa2xx_spi_remove(struct platform_device *pdev)
/* Disconnect from the SPI framework */
spi_unregister_master(drv_data->master);
- /* Prevent double remove */
- platform_set_drvdata(pdev, NULL);
-
return 0;
}
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index 5000586..5f3759d 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -1399,7 +1399,6 @@ err3:
err2:
clk_disable_unprepare(sdd->clk);
err0:
- platform_set_drvdata(pdev, NULL);
spi_master_put(master);
return ret;
@@ -1420,7 +1419,6 @@ static int s3c64xx_spi_remove(struct platform_device *pdev)
clk_disable_unprepare(sdd->clk);
- platform_set_drvdata(pdev, NULL);
spi_master_put(master);
return 0;
--
1.7.2.5
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