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From: Dario Binacchi <dariobin@libero.it>
To: u-boot@lists.denx.de
Subject: [PATCH v2 05/12] pinctrl: single: get register area size by device API
Date: Thu, 28 Jan 2021 23:24:54 +0100	[thread overview]
Message-ID: <20210128222501.31943-6-dariobin@libero.it> (raw)
In-Reply-To: <20210128222501.31943-1-dariobin@libero.it>

Use dev_read_addr_size to get size of the controller's register area.

Signed-off-by: Dario Binacchi <dariobin@libero.it>

---

Changes in v2:
- Check dev_read_addr_size return value

 drivers/pinctrl/pinctrl-single.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index cec00e289c..d5656de8e8 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -182,17 +182,19 @@ static int single_set_state(struct udevice *dev,
 static int single_of_to_plat(struct udevice *dev)
 {
 	fdt_addr_t addr;
-	u32 of_reg[2];
-	int res;
+	fdt_size_t size;
 	struct single_pdata *pdata = dev_get_plat(dev);
 
 	pdata->width =
 		dev_read_u32_default(dev, "pinctrl-single,register-width", 0);
 
-	res = dev_read_u32_array(dev, "reg", of_reg, 2);
-	if (res)
-		return res;
-	pdata->offset = of_reg[1] - pdata->width / 8;
+	addr = dev_read_addr_size(dev, "reg", &size);
+	if (addr == FDT_ADDR_T_NONE) {
+		dev_err(dev, "failed to get base register size\n");
+		return -EINVAL;
+	}
+
+	pdata->offset = size - pdata->width / BITS_PER_BYTE;
 
 	addr = dev_read_addr(dev);
 	if (addr == FDT_ADDR_T_NONE) {
-- 
2.17.1

  parent reply	other threads:[~2021-01-28 22:24 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-28 22:24 [PATCH v2 00/12] Add support for pinmux status command on beaglebone Dario Binacchi
2021-01-28 22:24 ` [PATCH v2 01/12] pinctrl: single: fix format of structure documentation Dario Binacchi
2021-01-28 22:24 ` [PATCH v2 02/12] pinctrl: single: fix the loop counter variable type Dario Binacchi
2021-01-28 22:24 ` [PATCH v2 03/12] pinctrl: single: fix offset management Dario Binacchi
2021-01-29 16:50   ` Pratyush Yadav
2021-01-28 22:24 ` [PATCH v2 04/12] pinctrl: single: fix debug messages formatting Dario Binacchi
2021-01-29 16:53   ` Pratyush Yadav
2021-01-28 22:24 ` Dario Binacchi [this message]
2021-01-29 17:47   ` [PATCH v2 05/12] pinctrl: single: get register area size by device API Pratyush Yadav
2021-01-28 22:24 ` [PATCH v2 06/12] pinctrl: single: check "register-width" DT property Dario Binacchi
2021-01-28 22:24 ` [PATCH v2 07/12] pinctrl: single: change function mask default value Dario Binacchi
2021-02-01 20:44   ` Simon Glass
2021-01-28 22:24 ` [PATCH v2 08/12] pinctrl: single: add register access functions Dario Binacchi
2021-02-01 20:44   ` Simon Glass
2021-01-28 22:24 ` [PATCH v2 09/12] pinctrl: single: add get_pins_count operation Dario Binacchi
2021-01-28 22:24 ` [PATCH v2 10/12] pinctrl: single: add get_pin_name operation Dario Binacchi
2021-01-28 22:25 ` [PATCH v2 11/12] pinctrl: single: add get_pin_muxing operation Dario Binacchi
2021-02-01 20:44   ` Simon Glass
2021-01-28 22:25 ` [PATCH v2 12/12] test: pinmux: add test for 'pinctrl-single' driver Dario Binacchi
2021-02-04 18:02 ` [PATCH v2 00/12] Add support for pinmux status command on beaglebone Lokesh Vutla
2021-02-05 10:54   ` Dario Binacchi
2021-02-05 14:17     ` Lokesh Vutla
2021-02-05 18:37       ` Tom Rini

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