linux-kernel - [RESEND PATCH] memory: atmel-ebi: move NUM

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Message-ID: <20190906150632.19039-1-tudor.ambarus@microchip.com>
Date:   Fri, 6 Sep 2019 15:06:41 +0000
From:   <Tudor.Ambarus@...rochip.com>
To:     <Nicolas.Ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
        <Ludovic.Desroches@...rochip.com>, <lee.jones@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <Tudor.Ambarus@...rochip.com>
Subject: [RESEND PATCH] memory: atmel-ebi: move NUM_CS definition inside EBI
 driver

From: Tudor Ambarus <tudor.ambarus@...rochip.com>

The total number of EBI CS lines is described by the EBI controller
and not by the Matrix. Move the definition for the number of CS
inside EBI driver.

Signed-off-by: Tudor Ambarus <tudor.ambarus@...rochip.com>
---
 drivers/memory/atmel-ebi.c              | 6 ++++--
 include/linux/mfd/syscon/atmel-matrix.h | 1 -
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/memory/atmel-ebi.c b/drivers/memory/atmel-ebi.c
index d0cd57aaebb4..111e09a5b4e9 100644
--- a/drivers/memory/atmel-ebi.c
+++ b/drivers/memory/atmel-ebi.c
@@ -19,6 +19,8 @@
 #include <linux/regmap.h>
 #include <soc/at91/atmel-sfr.h>
 
+#define AT91_EBI_NUM_CS		8
+
 struct atmel_ebi_dev_config {
 	int cs;
 	struct atmel_smc_cs_conf smcconf;
@@ -314,7 +316,7 @@ static int atmel_ebi_dev_setup(struct atmel_ebi *ebi, struct device_node *np,
 		if (ret)
 			return ret;
 
-		if (cs >= AT91_MATRIX_EBI_NUM_CS ||
+		if (cs >= AT91_EBI_NUM_CS ||
 		    !(ebi->caps->available_cs & BIT(cs))) {
 			dev_err(dev, "invalid reg property in %pOF\n", np);
 			return -EINVAL;
@@ -345,7 +347,7 @@ static int atmel_ebi_dev_setup(struct atmel_ebi *ebi, struct device_node *np,
 		apply = true;
 
 	i = 0;
-	for_each_set_bit(cs, &cslines, AT91_MATRIX_EBI_NUM_CS) {
+	for_each_set_bit(cs, &cslines, AT91_EBI_NUM_CS) {
 		ebid->configs[i].cs = cs;
 
 		if (apply) {
diff --git a/include/linux/mfd/syscon/atmel-matrix.h b/include/linux/mfd/syscon/atmel-matrix.h
index 8293c3e2a82a..1e2cd118e4e3 100644
--- a/include/linux/mfd/syscon/atmel-matrix.h
+++ b/include/linux/mfd/syscon/atmel-matrix.h
@@ -110,7 +110,6 @@
 #define AT91_MATRIX_DDR_IOSR			BIT(18)
 #define AT91_MATRIX_NFD0_SELECT			BIT(24)
 #define AT91_MATRIX_DDR_MP_EN			BIT(25)
-#define AT91_MATRIX_EBI_NUM_CS			8
 
 #define AT91_MATRIX_USBPUCR_PUON		BIT(30)
 
-- 
2.9.5