From: Masahiro Yamada <yamada.masahiro@socionext.com> To: linux-mtd@lists.infradead.org, Miquel Raynal <miquel.raynal@bootlin.com> Cc: Boris Brezillon <bbrezillon@kernel.org>, Masahiro Yamada <yamada.masahiro@socionext.com>, Brian Norris <computersforpeace@gmail.com>, linux-kernel@vger.kernel.org, Marek Vasut <marek.vasut@gmail.com>, Richard Weinberger <richard@nod.at>, David Woodhouse <dwmw2@infradead.org> Subject: [PATCH v3 8/9] mtd: rawnand: denali: remove DENALI_NR_BANKS macro Date: Tue, 12 Mar 2019 17:44:49 +0900 [thread overview] Message-ID: <1552380290-19951-9-git-send-email-yamada.masahiro@socionext.com> (raw) In-Reply-To: <1552380290-19951-1-git-send-email-yamada.masahiro@socionext.com> Use the runtime-detected denali->nbanks instead of hard-coded DENALI_NR_BANKS (=4). The actual number of banks depends on the IP configuration, and can be less than DENALI_NR_BANKS. It is pointless to touch registers of unsupported banks. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> --- Changes in v3: None Changes in v2: None drivers/mtd/nand/raw/denali.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/mtd/nand/raw/denali.c b/drivers/mtd/nand/raw/denali.c index 0c47c56..b1a4d9c 100644 --- a/drivers/mtd/nand/raw/denali.c +++ b/drivers/mtd/nand/raw/denali.c @@ -40,7 +40,6 @@ #define DENALI_BANK(denali) ((denali)->active_bank << 24) #define DENALI_INVALID_BANK -1 -#define DENALI_NR_BANKS 4 static struct denali_chip *to_denali_chip(struct nand_chip *chip) { @@ -92,7 +91,7 @@ static void denali_enable_irq(struct denali_controller *denali) { int i; - for (i = 0; i < DENALI_NR_BANKS; i++) + for (i = 0; i < denali->nbanks; i++) iowrite32(U32_MAX, denali->reg + INTR_EN(i)); iowrite32(GLOBAL_INT_EN_FLAG, denali->reg + GLOBAL_INT_ENABLE); } @@ -101,7 +100,7 @@ static void denali_disable_irq(struct denali_controller *denali) { int i; - for (i = 0; i < DENALI_NR_BANKS; i++) + for (i = 0; i < denali->nbanks; i++) iowrite32(0, denali->reg + INTR_EN(i)); iowrite32(0, denali->reg + GLOBAL_INT_ENABLE); } @@ -117,7 +116,7 @@ static void denali_clear_irq_all(struct denali_controller *denali) { int i; - for (i = 0; i < DENALI_NR_BANKS; i++) + for (i = 0; i < denali->nbanks; i++) denali_clear_irq(denali, i, U32_MAX); } @@ -130,7 +129,7 @@ static irqreturn_t denali_isr(int irq, void *dev_id) spin_lock(&denali->irq_lock); - for (i = 0; i < DENALI_NR_BANKS; i++) { + for (i = 0; i < denali->nbanks; i++) { irq_status = ioread32(denali->reg + INTR_STATUS(i)); if (irq_status) ret = IRQ_HANDLED; -- 2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Masahiro Yamada <yamada.masahiro@socionext.com> To: linux-mtd@lists.infradead.org, Miquel Raynal <miquel.raynal@bootlin.com> Cc: Masahiro Yamada <yamada.masahiro@socionext.com>, Richard Weinberger <richard@nod.at>, Boris Brezillon <bbrezillon@kernel.org>, linux-kernel@vger.kernel.org, Marek Vasut <marek.vasut@gmail.com>, Brian Norris <computersforpeace@gmail.com>, David Woodhouse <dwmw2@infradead.org> Subject: [PATCH v3 8/9] mtd: rawnand: denali: remove DENALI_NR_BANKS macro Date: Tue, 12 Mar 2019 17:44:49 +0900 [thread overview] Message-ID: <1552380290-19951-9-git-send-email-yamada.masahiro@socionext.com> (raw) In-Reply-To: <1552380290-19951-1-git-send-email-yamada.masahiro@socionext.com> Use the runtime-detected denali->nbanks instead of hard-coded DENALI_NR_BANKS (=4). The actual number of banks depends on the IP configuration, and can be less than DENALI_NR_BANKS. It is pointless to touch registers of unsupported banks. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> --- Changes in v3: None Changes in v2: None drivers/mtd/nand/raw/denali.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/mtd/nand/raw/denali.c b/drivers/mtd/nand/raw/denali.c index 0c47c56..b1a4d9c 100644 --- a/drivers/mtd/nand/raw/denali.c +++ b/drivers/mtd/nand/raw/denali.c @@ -40,7 +40,6 @@ #define DENALI_BANK(denali) ((denali)->active_bank << 24) #define DENALI_INVALID_BANK -1 -#define DENALI_NR_BANKS 4 static struct denali_chip *to_denali_chip(struct nand_chip *chip) { @@ -92,7 +91,7 @@ static void denali_enable_irq(struct denali_controller *denali) { int i; - for (i = 0; i < DENALI_NR_BANKS; i++) + for (i = 0; i < denali->nbanks; i++) iowrite32(U32_MAX, denali->reg + INTR_EN(i)); iowrite32(GLOBAL_INT_EN_FLAG, denali->reg + GLOBAL_INT_ENABLE); } @@ -101,7 +100,7 @@ static void denali_disable_irq(struct denali_controller *denali) { int i; - for (i = 0; i < DENALI_NR_BANKS; i++) + for (i = 0; i < denali->nbanks; i++) iowrite32(0, denali->reg + INTR_EN(i)); iowrite32(0, denali->reg + GLOBAL_INT_ENABLE); } @@ -117,7 +116,7 @@ static void denali_clear_irq_all(struct denali_controller *denali) { int i; - for (i = 0; i < DENALI_NR_BANKS; i++) + for (i = 0; i < denali->nbanks; i++) denali_clear_irq(denali, i, U32_MAX); } @@ -130,7 +129,7 @@ static irqreturn_t denali_isr(int irq, void *dev_id) spin_lock(&denali->irq_lock); - for (i = 0; i < DENALI_NR_BANKS; i++) { + for (i = 0; i < denali->nbanks; i++) { irq_status = ioread32(denali->reg + INTR_STATUS(i)); if (irq_status) ret = IRQ_HANDLED; -- 2.7.4 ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/
next prev parent reply other threads:[~2019-03-12 8:46 UTC|newest] Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-03-12 8:44 [PATCH v3 0/9] mtd: rawnand: denali: exec_op(), controller/chip separation, and cleanups Masahiro Yamada 2019-03-12 8:44 ` Masahiro Yamada 2019-03-12 8:44 ` [PATCH v3 1/9] mtd: rawnand: denali: use nand_chip pointer more for internal functions Masahiro Yamada 2019-03-12 8:44 ` Masahiro Yamada 2019-03-12 8:44 ` [PATCH v3 2/9] mtd: rawnand: denali: refactor syndrome layout handling for raw access Masahiro Yamada 2019-03-12 8:44 ` Masahiro Yamada 2019-03-12 10:28 ` Miquel Raynal 2019-03-12 10:28 ` Miquel Raynal 2019-03-12 10:51 ` Masahiro Yamada 2019-03-12 10:51 ` Masahiro Yamada 2019-03-12 10:54 ` Miquel Raynal 2019-03-12 10:54 ` Miquel Raynal 2019-03-12 11:07 ` Masahiro Yamada 2019-03-12 11:07 ` Masahiro Yamada 2019-03-12 13:13 ` Miquel Raynal 2019-03-12 13:13 ` Miquel Raynal 2019-03-14 8:24 ` Masahiro Yamada 2019-03-14 8:24 ` Masahiro Yamada 2019-03-15 8:34 ` Miquel Raynal 2019-03-15 8:34 ` Miquel Raynal 2019-03-29 7:02 ` Masahiro Yamada 2019-03-29 7:02 ` Masahiro Yamada 2019-03-12 8:44 ` [PATCH v3 3/9] mtd: rawnand: denali: remove unneeded casts in denali_{read,write}_pio Masahiro Yamada 2019-03-12 8:44 ` [PATCH v3 3/9] mtd: rawnand: denali: remove unneeded casts in denali_{read, write}_pio Masahiro Yamada 2019-03-12 8:44 ` [PATCH v3 4/9] mtd: rawnand: denali: switch over to ->exec_op() from legacy hooks Masahiro Yamada 2019-03-12 8:44 ` Masahiro Yamada 2019-03-12 9:02 ` Boris Brezillon 2019-03-12 9:02 ` Boris Brezillon 2019-03-12 9:47 ` Masahiro Yamada 2019-03-12 9:47 ` Masahiro Yamada 2019-03-12 8:44 ` [PATCH v3 5/9] mtd: rawnand: denali: use bool type instead of int where appropriate Masahiro Yamada 2019-03-12 8:44 ` Masahiro Yamada 2019-03-12 8:44 ` [PATCH v3 6/9] mtd: rawnand: denali_pci: rename goto labels Masahiro Yamada 2019-03-12 8:44 ` Masahiro Yamada 2019-03-12 8:44 ` [PATCH v3 7/9] mtd: rawnand: denali: decouple controller and NAND chips Masahiro Yamada 2019-03-12 8:44 ` Masahiro Yamada 2019-03-12 8:44 ` Masahiro Yamada [this message] 2019-03-12 8:44 ` [PATCH v3 8/9] mtd: rawnand: denali: remove DENALI_NR_BANKS macro Masahiro Yamada 2019-03-12 8:44 ` [PATCH v3 9/9] mtd: rawnand: denali: clean up coding style Masahiro Yamada 2019-03-12 8:44 ` Masahiro Yamada
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