linux-kernel - [06/12] mtd: rawnand: stm32_fmc2: use FMC2_TIMEOUT

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Date:   Mon, 23 Mar 2020 15:58:46 +0100
From:   Christophe Kerello <christophe.kerello@...com>
To:     <miquel.raynal@...tlin.com>, <richard@....at>, <vigneshr@...com>,
        <lee.jones@...aro.org>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <tony@...mide.com>
CC:     <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>, <marex@...x.de>,
        Christophe Kerello <christophe.kerello@...com>
Subject: [06/12] mtd: rawnand: stm32_fmc2: use FMC2_TIMEOUT_MS for timeouts

This patch removes the constant FMC2_TIMEOUT_US.
FMC2_TIMEOUT_MS is set to 5 seconds and this constant is used
each time that we need to wait (except when the timeout value
is set by the framework)

Signed-off-by: Christophe Kerello <christophe.kerello@...com>
---
 drivers/mtd/nand/raw/stm32_fmc2_nand.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/mtd/nand/raw/stm32_fmc2_nand.c b/drivers/mtd/nand/raw/stm32_fmc2_nand.c
index ab53314..f159c39 100644
--- a/drivers/mtd/nand/raw/stm32_fmc2_nand.c
+++ b/drivers/mtd/nand/raw/stm32_fmc2_nand.c
@@ -37,8 +37,7 @@
 /* Max ECC buffer length */
 #define FMC2_MAX_ECC_BUF_LEN		(FMC2_BCHDSRS_LEN * FMC2_MAX_SG)
 
-#define FMC2_TIMEOUT_US			1000
-#define FMC2_TIMEOUT_MS			1000
+#define FMC2_TIMEOUT_MS			5000
 
 /* Timings */
 #define FMC2_THIZ			1
@@ -525,9 +524,9 @@ static int stm32_fmc2_ham_calculate(struct nand_chip *chip, const u8 *data,
 	u32 sr, heccr;
 	int ret;
 
-	ret = readl_relaxed_poll_timeout(fmc2->io_base + FMC2_SR,
-					 sr, sr & FMC2_SR_NWRF, 10,
-					 FMC2_TIMEOUT_MS);
+	ret = readl_relaxed_poll_timeout_atomic(fmc2->io_base + FMC2_SR,
+						sr, sr & FMC2_SR_NWRF, 1,
+						1000 * FMC2_TIMEOUT_MS);
 	if (ret) {
 		dev_err(fmc2->dev, "ham timeout\n");
 		return ret;
@@ -1315,7 +1314,7 @@ static int stm32_fmc2_waitrdy(struct nand_chip *chip, unsigned long timeout_ms)
 	/* Check if there is no pending requests to the NAND flash */
 	if (readl_relaxed_poll_timeout_atomic(fmc2->io_base + FMC2_SR, sr,
 					      sr & FMC2_SR_NWRF, 1,
-					      FMC2_TIMEOUT_US))
+					      1000 * FMC2_TIMEOUT_MS))
 		dev_warn(fmc2->dev, "Waitrdy timeout\n");
 
 	/* Wait tWB before R/B# signal is low */
-- 
1.9.1