diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/813-v6.5-0005-nvmem-rockchip-otp-Generalize-rockchip_otp_wait_stat.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/813-v6.5-0005-nvmem-rockchip-otp-Generalize-rockchip_otp_wait_stat.patch | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/813-v6.5-0005-nvmem-rockchip-otp-Generalize-rockchip_otp_wait_stat.patch b/target/linux/generic/backport-5.15/813-v6.5-0005-nvmem-rockchip-otp-Generalize-rockchip_otp_wait_stat.patch new file mode 100644 index 0000000000..b5b66cfc5a --- /dev/null +++ b/target/linux/generic/backport-5.15/813-v6.5-0005-nvmem-rockchip-otp-Generalize-rockchip_otp_wait_stat.patch @@ -0,0 +1,62 @@ +From 30fd21cfb1e64ef20035559a8246f5fbf682c40e Mon Sep 17 00:00:00 2001 +From: Cristian Ciocaltea <cristian.ciocaltea@collabora.com> +Date: Sun, 11 Jun 2023 15:03:14 +0100 +Subject: [PATCH] nvmem: rockchip-otp: Generalize rockchip_otp_wait_status() + +In preparation to support additional Rockchip OTP memory devices with +different register layout, generalize rockchip_otp_wait_status() to +accept a new parameter for specifying the offset of the status register. + +Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com> +Tested-by: Vincent Legoll <vincent.legoll@gmail.com> +Reviewed-by: Heiko Stuebner <heiko@sntech.de> +Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> +Message-ID: <20230611140330.154222-11-srinivas.kandagatla@linaro.org> +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + drivers/nvmem/rockchip-otp.c | 11 ++++++----- + 1 file changed, 6 insertions(+), 5 deletions(-) + +--- a/drivers/nvmem/rockchip-otp.c ++++ b/drivers/nvmem/rockchip-otp.c +@@ -90,18 +90,19 @@ static int rockchip_otp_reset(struct roc + return 0; + } + +-static int rockchip_otp_wait_status(struct rockchip_otp *otp, u32 flag) ++static int rockchip_otp_wait_status(struct rockchip_otp *otp, ++ unsigned int reg, u32 flag) + { + u32 status = 0; + int ret; + +- ret = readl_poll_timeout_atomic(otp->base + OTPC_INT_STATUS, status, ++ ret = readl_poll_timeout_atomic(otp->base + reg, status, + (status & flag), 1, OTPC_TIMEOUT); + if (ret) + return ret; + + /* clean int status */ +- writel(flag, otp->base + OTPC_INT_STATUS); ++ writel(flag, otp->base + reg); + + return 0; + } +@@ -123,7 +124,7 @@ static int rockchip_otp_ecc_enable(struc + + writel(SBPI_ENABLE_MASK | SBPI_ENABLE, otp->base + OTPC_SBPI_CTRL); + +- ret = rockchip_otp_wait_status(otp, OTPC_SBPI_DONE); ++ ret = rockchip_otp_wait_status(otp, OTPC_INT_STATUS, OTPC_SBPI_DONE); + if (ret < 0) + dev_err(otp->dev, "timeout during ecc_enable\n"); + +@@ -156,7 +157,7 @@ static int px30_otp_read(void *context, + otp->base + OTPC_USER_ADDR); + writel(OTPC_USER_FSM_ENABLE | OTPC_USER_FSM_ENABLE_MASK, + otp->base + OTPC_USER_ENABLE); +- ret = rockchip_otp_wait_status(otp, OTPC_USER_DONE); ++ ret = rockchip_otp_wait_status(otp, OTPC_INT_STATUS, OTPC_USER_DONE); + if (ret < 0) { + dev_err(otp->dev, "timeout during read setup\n"); + goto read_end; |