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Message-Id: <20180419140641.27926-8-wsa+renesas@sang-engineering.com>
Date: Thu, 19 Apr 2018 16:05:37 +0200
From: Wolfram Sang <wsa+renesas@...g-engineering.com>
To: linux-kernel@...r.kernel.org
Cc: linux-renesas-soc@...r.kernel.org, kernel-janitors@...r.kernel.org,
Wolfram Sang <wsa+renesas@...g-engineering.com>,
Ludovic Desroches <ludovic.desroches@...rochip.com>,
Vinod Koul <vinod.koul@...el.com>,
Dan Williams <dan.j.williams@...el.com>,
Li Yang <leoyang.li@....com>, Zhang Wei <zw@...kernel.org>,
Linus Walleij <linus.walleij@...aro.org>,
linux-arm-kernel@...ts.infradead.org, dmaengine@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH 07/61] dma: simplify getting .drvdata
We should get drvdata from struct device directly. Going via
platform_device is an unneeded step back and forth.
Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
---
Build tested only. buildbot is happy. Please apply individually.
drivers/dma/at_hdmac.c | 9 +++------
drivers/dma/at_xdmac.c | 9 +++------
drivers/dma/fsldma.c | 6 ++----
drivers/dma/idma64.c | 6 ++----
drivers/dma/ste_dma40.c | 12 ++++--------
drivers/dma/txx9dmac.c | 8 +++-----
6 files changed, 17 insertions(+), 33 deletions(-)
diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index a861b5b4d443..75f38d19fcbe 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -2041,8 +2041,7 @@ static void at_dma_shutdown(struct platform_device *pdev)
static int at_dma_prepare(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct at_dma *atdma = platform_get_drvdata(pdev);
+ struct at_dma *atdma = dev_get_drvdata(dev);
struct dma_chan *chan, *_chan;
list_for_each_entry_safe(chan, _chan, &atdma->dma_common.channels,
@@ -2076,8 +2075,7 @@ static void atc_suspend_cyclic(struct at_dma_chan *atchan)
static int at_dma_suspend_noirq(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct at_dma *atdma = platform_get_drvdata(pdev);
+ struct at_dma *atdma = dev_get_drvdata(dev);
struct dma_chan *chan, *_chan;
/* preserve data */
@@ -2118,8 +2116,7 @@ static void atc_resume_cyclic(struct at_dma_chan *atchan)
static int at_dma_resume_noirq(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct at_dma *atdma = platform_get_drvdata(pdev);
+ struct at_dma *atdma = dev_get_drvdata(dev);
struct dma_chan *chan, *_chan;
/* bring back DMA controller */
diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
index 94236ec9d410..4bf72561667c 100644
--- a/drivers/dma/at_xdmac.c
+++ b/drivers/dma/at_xdmac.c
@@ -1833,8 +1833,7 @@ static void at_xdmac_free_chan_resources(struct dma_chan *chan)
#ifdef CONFIG_PM
static int atmel_xdmac_prepare(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct at_xdmac *atxdmac = platform_get_drvdata(pdev);
+ struct at_xdmac *atxdmac = dev_get_drvdata(dev);
struct dma_chan *chan, *_chan;
list_for_each_entry_safe(chan, _chan, &atxdmac->dma.channels, device_node) {
@@ -1853,8 +1852,7 @@ static int atmel_xdmac_prepare(struct device *dev)
#ifdef CONFIG_PM_SLEEP
static int atmel_xdmac_suspend(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct at_xdmac *atxdmac = platform_get_drvdata(pdev);
+ struct at_xdmac *atxdmac = dev_get_drvdata(dev);
struct dma_chan *chan, *_chan;
list_for_each_entry_safe(chan, _chan, &atxdmac->dma.channels, device_node) {
@@ -1878,8 +1876,7 @@ static int atmel_xdmac_suspend(struct device *dev)
static int atmel_xdmac_resume(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct at_xdmac *atxdmac = platform_get_drvdata(pdev);
+ struct at_xdmac *atxdmac = dev_get_drvdata(dev);
struct at_xdmac_chan *atchan;
struct dma_chan *chan, *_chan;
int i;
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 3eaece888e75..1117b5123a6f 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -1328,8 +1328,7 @@ static int fsldma_of_remove(struct platform_device *op)
#ifdef CONFIG_PM
static int fsldma_suspend_late(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct fsldma_device *fdev = platform_get_drvdata(pdev);
+ struct fsldma_device *fdev = dev_get_drvdata(dev);
struct fsldma_chan *chan;
int i;
@@ -1360,8 +1359,7 @@ static int fsldma_suspend_late(struct device *dev)
static int fsldma_resume_early(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct fsldma_device *fdev = platform_get_drvdata(pdev);
+ struct fsldma_device *fdev = dev_get_drvdata(dev);
struct fsldma_chan *chan;
u32 mode;
int i;
diff --git a/drivers/dma/idma64.c b/drivers/dma/idma64.c
index 1953e57505f4..e5c911200bdb 100644
--- a/drivers/dma/idma64.c
+++ b/drivers/dma/idma64.c
@@ -670,8 +670,7 @@ static int idma64_platform_remove(struct platform_device *pdev)
static int idma64_pm_suspend(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct idma64_chip *chip = platform_get_drvdata(pdev);
+ struct idma64_chip *chip = dev_get_drvdata(dev);
idma64_off(chip->idma64);
return 0;
@@ -679,8 +678,7 @@ static int idma64_pm_suspend(struct device *dev)
static int idma64_pm_resume(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct idma64_chip *chip = platform_get_drvdata(pdev);
+ struct idma64_chip *chip = dev_get_drvdata(dev);
idma64_on(chip->idma64);
return 0;
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c
index c2b089af0420..1bc149af990e 100644
--- a/drivers/dma/ste_dma40.c
+++ b/drivers/dma/ste_dma40.c
@@ -2889,8 +2889,7 @@ static int __init d40_dmaengine_init(struct d40_base *base,
#ifdef CONFIG_PM_SLEEP
static int dma40_suspend(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct d40_base *base = platform_get_drvdata(pdev);
+ struct d40_base *base = dev_get_drvdata(dev);
int ret;
ret = pm_runtime_force_suspend(dev);
@@ -2904,8 +2903,7 @@ static int dma40_suspend(struct device *dev)
static int dma40_resume(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct d40_base *base = platform_get_drvdata(pdev);
+ struct d40_base *base = dev_get_drvdata(dev);
int ret = 0;
if (base->lcpa_regulator) {
@@ -2970,8 +2968,7 @@ static void d40_save_restore_registers(struct d40_base *base, bool save)
static int dma40_runtime_suspend(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct d40_base *base = platform_get_drvdata(pdev);
+ struct d40_base *base = dev_get_drvdata(dev);
d40_save_restore_registers(base, true);
@@ -2985,8 +2982,7 @@ static int dma40_runtime_suspend(struct device *dev)
static int dma40_runtime_resume(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct d40_base *base = platform_get_drvdata(pdev);
+ struct d40_base *base = dev_get_drvdata(dev);
d40_save_restore_registers(base, false);
diff --git a/drivers/dma/txx9dmac.c b/drivers/dma/txx9dmac.c
index 4d8c7b9078fd..eb45af71d3a3 100644
--- a/drivers/dma/txx9dmac.c
+++ b/drivers/dma/txx9dmac.c
@@ -1244,8 +1244,7 @@ static void txx9dmac_shutdown(struct platform_device *pdev)
static int txx9dmac_suspend_noirq(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct txx9dmac_dev *ddev = platform_get_drvdata(pdev);
+ struct txx9dmac_dev *ddev = dev_get_drvdata(dev);
txx9dmac_off(ddev);
return 0;
@@ -1253,9 +1252,8 @@ static int txx9dmac_suspend_noirq(struct device *dev)
static int txx9dmac_resume_noirq(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct txx9dmac_dev *ddev = platform_get_drvdata(pdev);
- struct txx9dmac_platform_data *pdata = dev_get_platdata(&pdev->dev);
+ struct txx9dmac_dev *ddev = dev_get_drvdata(dev);
+ struct txx9dmac_platform_data *pdata = dev_get_platdata(dev);
u32 mcr;
mcr = TXX9_DMA_MCR_MSTEN | MCR_LE;
--
2.11.0
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