linux-kernel - [PATCH 4.17 122/220] MIPS: pb44: Fix i2c-gpio GPIO descriptor table

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Date:   Sun,  1 Jul 2018 18:22:26 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Simon Guinot <simon.guinot@...uanux.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Paul Burton <paul.burton@...s.com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Wolfram Sang <wsa@...-dreams.de>, linux-mips@...ux-mips.org,
        James Hogan <jhogan@...nel.org>
Subject: [PATCH 4.17 122/220] MIPS: pb44: Fix i2c-gpio GPIO descriptor table

4.17-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Linus Walleij <linus.walleij@...aro.org>

commit 326345f995a83e326fa2e01d54bfa9a6a307bd4d upstream.

I used bad names in my clumsiness when rewriting many board
files to use GPIO descriptors instead of platform data. A few
had the platform_device ID set to -1 which would indeed give
the device name "i2c-gpio".

But several had it set to >=0 which gives the names
"i2c-gpio.0", "i2c-gpio.1" ...

Fix the one affected board in the MIPS tree. Sorry.

Fixes: b2e63555592f ("i2c: gpio: Convert to use descriptors")
Reported-by: Simon Guinot <simon.guinot@...uanux.org>
Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
Reviewed-by: Paul Burton <paul.burton@...s.com>
Cc: Ralf Baechle <ralf@...ux-mips.org>
Cc: Wolfram Sang <wsa@...-dreams.de>
Cc: Simon Guinot <simon.guinot@...uanux.org>
Cc: linux-mips@...ux-mips.org
Cc: <stable@...r.kernel.org> # 4.15+
Patchwork: https://patchwork.linux-mips.org/patch/19387/
Signed-off-by: James Hogan <jhogan@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/mips/ath79/mach-pb44.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/mips/ath79/mach-pb44.c
+++ b/arch/mips/ath79/mach-pb44.c
@@ -34,7 +34,7 @@
 #define PB44_KEYS_DEBOUNCE_INTERVAL	(3 * PB44_KEYS_POLL_INTERVAL)
 
 static struct gpiod_lookup_table pb44_i2c_gpiod_table = {
-	.dev_id = "i2c-gpio",
+	.dev_id = "i2c-gpio.0",
 	.table = {
 		GPIO_LOOKUP_IDX("ath79-gpio", PB44_GPIO_I2C_SDA,
 				NULL, 0, GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),