linux-kernel - [PATCHv3 03/14] pinctrl: mcp23s08: drop pullup config from pdata

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Date:   Mon, 15 May 2017 11:24:27 +0200
From:   Sebastian Reichel <sebastian.reichel@...labora.co.uk>
To:     Sebastian Reichel <sre@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Steven Miao <realmz6@...il.com>,
        Vladimir Zapolskiy <vz@...ia.com>,
        Sylvain Lemieux <slemieux.tyco@...il.com>
Cc:     Enric Balletbo i Serra <enric.balletbo@...labora.co.uk>,
        linux-gpio@...r.kernel.org,
        adi-buildroot-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org,
        Sebastian Reichel <sebastian.reichel@...labora.co.uk>
Subject: [PATCHv3 03/14] pinctrl: mcp23s08: drop pullup config from pdata

mcp23s08 support configuration of the pullups using the
pinconf framework. This removes the custom pullup configuration
from platform data, which has no upstream users.

Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.co.uk>
---
 drivers/pinctrl/pinctrl-mcp23s08.c | 7 -------
 include/linux/spi/mcp23s08.h       | 1 -
 2 files changed, 8 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-mcp23s08.c b/drivers/pinctrl/pinctrl-mcp23s08.c
index d957c4bbc8c1..8c684d179e29 100644
--- a/drivers/pinctrl/pinctrl-mcp23s08.c
+++ b/drivers/pinctrl/pinctrl-mcp23s08.c
@@ -782,11 +782,6 @@ static int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev,
 			goto fail;
 	}
 
-	/* configure ~100K pullups */
-	ret = mcp_write(mcp, MCP_GPPU, pdata->chip[cs].pullups);
-	if (ret < 0)
-		goto fail;
-
 	ret = mcp_update_cache(mcp);
 	if (ret < 0)
 		goto fail;
@@ -911,7 +906,6 @@ static int mcp230xx_probe(struct i2c_client *client,
 	if (match) {
 		pdata = &local_pdata;
 		pdata->base = -1;
-		pdata->chip[0].pullups = 0;
 		pdata->irq_controller =	of_property_read_bool(
 					client->dev.of_node,
 					"interrupt-controller");
@@ -1031,7 +1025,6 @@ static int mcp23s08_probe(struct spi_device *spi)
 		pdata = &local_pdata;
 		pdata->base = -1;
 		for (addr = 0; addr < ARRAY_SIZE(pdata->chip); addr++) {
-			pdata->chip[addr].pullups = 0;
 			if (spi_present_mask & (1 << addr))
 				chips++;
 		}
diff --git a/include/linux/spi/mcp23s08.h b/include/linux/spi/mcp23s08.h
index aa07d7b32568..080ecc6bb270 100644
--- a/include/linux/spi/mcp23s08.h
+++ b/include/linux/spi/mcp23s08.h
@@ -3,7 +3,6 @@
 
 struct mcp23s08_chip_info {
 	bool		is_present;	/* true if populated */
-	unsigned	pullups;	/* BIT(x) means enable pullup x */
 };
 
 struct mcp23s08_platform_data {
-- 
2.11.0