From bb0b025d72d22b8617df920b61f5ae1e23d1b593 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Wed, 23 Nov 2022 15:41:20 +0100 Subject: [PATCH] memory: renesas-rpc-if: Improve Runtime PM handling Convert from the deprecated pm_runtime_get_sync() to the new pm_runtime_resume_and_get(), and add error checking. Signed-off-by: Geert Uytterhoeven Acked-by: Wolfram Sang Link: https://lore.kernel.org/r/6f2bd3b2b3d98c5bed541d969900b2ad04f93943.1669213027.git.geert+renesas@glider.be Signed-off-by: Krzysztof Kozlowski --- drivers/memory/renesas-rpc-if.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/memory/renesas-rpc-if.c b/drivers/memory/renesas-rpc-if.c index 26ea557dd106..7c9c7d93ee35 100644 --- a/drivers/memory/renesas-rpc-if.c +++ b/drivers/memory/renesas-rpc-if.c @@ -304,12 +304,13 @@ int rpcif_hw_init(struct rpcif *rpcif, bool hyperflash) { struct rpcif_priv *rpc = dev_get_drvdata(rpcif->dev); u32 dummy; + int ret; - pm_runtime_get_sync(rpc->dev); + ret = pm_runtime_resume_and_get(rpc->dev); + if (ret) + return ret; if (rpc->type == RPCIF_RZ_G2L) { - int ret; - ret = reset_control_reset(rpc->rstc); if (ret) return ret; @@ -482,7 +483,9 @@ int rpcif_manual_xfer(struct rpcif *rpcif) u32 smenr, smcr, pos = 0, max = rpc->bus_size == 2 ? 8 : 4; int ret = 0; - pm_runtime_get_sync(rpc->dev); + ret = pm_runtime_resume_and_get(rpc->dev); + if (ret < 0) + return ret; regmap_update_bits(rpc->regmap, RPCIF_PHYCNT, RPCIF_PHYCNT_CAL, RPCIF_PHYCNT_CAL); @@ -650,11 +653,14 @@ ssize_t rpcif_dirmap_read(struct rpcif *rpcif, u64 offs, size_t len, void *buf) struct rpcif_priv *rpc = dev_get_drvdata(rpcif->dev); loff_t from = offs & (rpc->size - 1); size_t size = rpc->size - from; + int ret; if (len > size) len = size; - pm_runtime_get_sync(rpc->dev); + ret = pm_runtime_resume_and_get(rpc->dev); + if (ret < 0) + return ret; regmap_update_bits(rpc->regmap, RPCIF_CMNCR, RPCIF_CMNCR_MD, 0); regmap_write(rpc->regmap, RPCIF_DRCR, 0);