diff mbox series

[4/8] nvmem: rockchip-otp: Generalize rockchip_otp_wait_status()

Message ID 20230501084401.765169-5-cristian.ciocaltea@collabora.com (mailing list archive)
State New, archived
Headers show
Series Add RK3588 OTP memory support | expand

Commit Message

Cristian Ciocaltea May 1, 2023, 8:43 a.m. UTC 
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>
---
 drivers/nvmem/rockchip-otp.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

Comments

Heiko Stuebner May 2, 2023, 8:48 a.m. UTC | #1 
Am Montag, 1. Mai 2023, 10:43:56 CEST schrieb Cristian Ciocaltea:
> 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>

Reviewed-by: Heiko Stuebner <heiko@sntech.de>
diff mbox series

Patch

diff --git a/drivers/nvmem/rockchip-otp.c b/drivers/nvmem/rockchip-otp.c
index a5b234e60735..e308dd3b4eb1 100644
--- a/drivers/nvmem/rockchip-otp.c
+++ b/drivers/nvmem/rockchip-otp.c
@@ -90,18 +90,19 @@  static int rockchip_otp_reset(struct rockchip_otp *otp)
 	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(struct rockchip_otp *otp, bool enable)
 
 	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, unsigned int offset,
 		       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;