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

crypto: rockchip - handle reset also in PM 

reset could be handled by PM functions.
We keep the initial reset pulse to be sure the hw is a know device state
after probe.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Corentin Labbe 2022-09-27 07:54:52 +00:00 committed by Herbert Xu
parent a216be3964
commit 6f61192549
1 changed files with 10 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
drivers/crypto/rockchip/rk3288_crypto.c
View File

@ -74,14 +74,23 @@ static int rk_crypto_pm_suspend(struct device *dev)
struct rk_crypto_info *rkdev = dev_get_drvdata(dev); struct rk_crypto_info *rkdev = dev_get_drvdata(dev);
rk_crypto_disable_clk(rkdev); rk_crypto_disable_clk(rkdev);
reset_control_assert(rkdev->rst);
return 0; return 0;
} }
static int rk_crypto_pm_resume(struct device *dev) static int rk_crypto_pm_resume(struct device *dev)
{ {
struct rk_crypto_info *rkdev = dev_get_drvdata(dev); struct rk_crypto_info *rkdev = dev_get_drvdata(dev);
int ret;
ret = rk_crypto_enable_clk(rkdev);
if (ret)
return ret;
reset_control_deassert(rkdev->rst);
return 0;
return rk_crypto_enable_clk(rkdev);
} }
static const struct dev_pm_ops rk_crypto_pm_ops = { static const struct dev_pm_ops rk_crypto_pm_ops = {
@ -222,13 +231,6 @@ static void rk_crypto_unregister(void)
} }
} }
static void rk_crypto_action(void *data)
{
struct rk_crypto_info *crypto_info = data;
reset_control_assert(crypto_info->rst);
}
static const struct of_device_id crypto_of_id_table[] = { static const struct of_device_id crypto_of_id_table[] = {
{ .compatible = "rockchip,rk3288-crypto" }, { .compatible = "rockchip,rk3288-crypto" },
{} {}
@ -258,10 +260,6 @@ static int rk_crypto_probe(struct platform_device *pdev)
usleep_range(10, 20); usleep_range(10, 20);
reset_control_deassert(crypto_info->rst); reset_control_deassert(crypto_info->rst);
err = devm_add_action_or_reset(dev, rk_crypto_action, crypto_info);
if (err)
goto err_crypto;
crypto_info->reg = devm_platform_ioremap_resource(pdev, 0); crypto_info->reg = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(crypto_info->reg)) { if (IS_ERR(crypto_info->reg)) {
err = PTR_ERR(crypto_info->reg); err = PTR_ERR(crypto_info->reg);