From 2496be2eddd33e9d478d591501c97831554ef469 Mon Sep 17 00:00:00 2001 From: Jingoo Han Date: Tue, 8 Apr 2014 13:54:22 +0900 Subject: crypto: omap-des - use devm_ioremap_resource() Use devm_ioremap_resource() because devm_request_and_ioremap() is obsoleted by devm_ioremap_resource(). Signed-off-by: Jingoo Han Acked-by: Joel Fernandes Reviewed-by: Marek Vasut Signed-off-by: Herbert Xu --- drivers/crypto/omap-des.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'drivers/crypto/omap-des.c') diff --git a/drivers/crypto/omap-des.c b/drivers/crypto/omap-des.c index ec5f13162b7..4a13624bb82 100644 --- a/drivers/crypto/omap-des.c +++ b/drivers/crypto/omap-des.c @@ -1074,10 +1074,9 @@ static int omap_des_probe(struct platform_device *pdev) if (err) goto err_res; - dd->io_base = devm_request_and_ioremap(dev, res); - if (!dd->io_base) { - dev_err(dev, "can't ioremap\n"); - err = -ENOMEM; + dd->io_base = devm_ioremap_resource(dev, res); + if (IS_ERR(dd->io_base)) { + err = PTR_ERR(dd->io_base); goto err_res; } dd->phys_base = res->start; -- cgit v1.2.3-70-g09d2 From f51f593b3eb194d01d8980316e6bb1f7d72f567a Mon Sep 17 00:00:00 2001 From: Nishanth Menon Date: Tue, 15 Apr 2014 11:58:31 -0500 Subject: crypto: omap-des - handle error of pm_runtime_get_sync pm_runtime_get_sync may not always succeed depending on SoC involved. So handle the error appropriately ensuring usage_count is accurate in case of failure. Signed-off-by: Nishanth Menon Reviewed-by: Felipe Balbi Reported-by: Joachim Eastwood Tested-by: Joachim Eastwood Acked-by: Joel Fernandes Signed-off-by: Herbert Xu --- drivers/crypto/omap-des.c | 26 +++++++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-) (limited to 'drivers/crypto/omap-des.c') diff --git a/drivers/crypto/omap-des.c b/drivers/crypto/omap-des.c index 4a13624bb82..b8bc84be874 100644 --- a/drivers/crypto/omap-des.c +++ b/drivers/crypto/omap-des.c @@ -223,12 +223,19 @@ static void omap_des_write_n(struct omap_des_dev *dd, u32 offset, static int omap_des_hw_init(struct omap_des_dev *dd) { + int err; + /* * clocks are enabled when request starts and disabled when finished. * It may be long delays between requests. * Device might go to off mode to save power. */ - pm_runtime_get_sync(dd->dev); + err = pm_runtime_get_sync(dd->dev); + if (err < 0) { + pm_runtime_put_noidle(dd->dev); + dev_err(dd->dev, "%s: failed to get_sync(%d)\n", __func__, err); + return err; + } if (!(dd->flags & FLAGS_INIT)) { dd->flags |= FLAGS_INIT; @@ -1082,7 +1089,12 @@ static int omap_des_probe(struct platform_device *pdev) dd->phys_base = res->start; pm_runtime_enable(dev); - pm_runtime_get_sync(dev); + err = pm_runtime_get_sync(dev); + if (err < 0) { + pm_runtime_put_noidle(dev); + dev_err(dd->dev, "%s: failed to get_sync(%d)\n", __func__, err); + goto err_get; + } omap_des_dma_stop(dd); @@ -1147,6 +1159,7 @@ err_algs: err_irq: tasklet_kill(&dd->done_task); tasklet_kill(&dd->queue_task); +err_get: pm_runtime_disable(dev); err_res: dd = NULL; @@ -1190,7 +1203,14 @@ static int omap_des_suspend(struct device *dev) static int omap_des_resume(struct device *dev) { - pm_runtime_get_sync(dev); + int err; + + err = pm_runtime_get_sync(dev); + if (err < 0) { + pm_runtime_put_noidle(dev); + dev_err(dev, "%s: failed to get_sync(%d)\n", __func__, err); + return err; + } return 0; } #endif -- cgit v1.2.3-70-g09d2