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From: Wolfram Sang <wsa@the-dreams.de>
To: linux-i2c@vger.kernel.org
Cc: linux-mips@linux-mips.org, Wolfram Sang <wsa@the-dreams.de>,
	linux-kernel@vger.kernel.org,
	Ludovic Desroches <ludovic.desroches@atmel.com>,
	Yingjoe Chen <yingjoe.chen@mediatek.com>,
	linuxppc-dev@lists.ozlabs.org,
	linux-arm-kernel@lists.infradead.org
Subject: [RFC 09/11] i2c: powermac: make use of the new infrastructure for quirks
Date: Fri,  9 Jan 2015 18:21:39 +0100	[thread overview]
Message-ID: <1420824103-24169-10-git-send-email-wsa@the-dreams.de> (raw)
In-Reply-To: <1420824103-24169-1-git-send-email-wsa@the-dreams.de>

Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
---
 drivers/i2c/busses/i2c-powermac.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/i2c/busses/i2c-powermac.c b/drivers/i2c/busses/i2c-powermac.c
index 60a53c169ed2..6abcf696e359 100644
--- a/drivers/i2c/busses/i2c-powermac.c
+++ b/drivers/i2c/busses/i2c-powermac.c
@@ -153,12 +153,6 @@ static int i2c_powermac_master_xfer(	struct i2c_adapter *adap,
 	int			read;
 	int			addrdir;
 
-	if (num != 1) {
-		dev_err(&adap->dev,
-			"Multi-message I2C transactions not supported\n");
-		return -EOPNOTSUPP;
-	}
-
 	if (msgs->flags & I2C_M_TEN)
 		return -EINVAL;
 	read = (msgs->flags & I2C_M_RD) != 0;
@@ -205,6 +199,9 @@ static const struct i2c_algorithm i2c_powermac_algorithm = {
 	.functionality	= i2c_powermac_func,
 };
 
+static struct i2c_adapter_quirks i2c_powermac_quirks = {
+	.max_num_msgs = 1,
+};
 
 static int i2c_powermac_remove(struct platform_device *dev)
 {
@@ -434,6 +431,7 @@ static int i2c_powermac_probe(struct platform_device *dev)
 
 	platform_set_drvdata(dev, adapter);
 	adapter->algo = &i2c_powermac_algorithm;
+	adapter->quirks = &i2c_powermac_quirks;
 	i2c_set_adapdata(adapter, bus);
 	adapter->dev.parent = &dev->dev;
 
-- 
2.1.3

  parent reply	other threads:[~2015-01-09 17:22 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-09 17:21 [RFC 00/11] i2c: add generic quirk infrastructure Wolfram Sang
2015-01-09 17:21 ` [RFC 01/11] i2c: add quirk structure to describe adapter flaws Wolfram Sang
2015-01-16  5:50   ` Eddie Huang
2015-01-19 15:05     ` Wolfram Sang
2015-02-24 16:04       ` Wolfram Sang
2015-01-16  8:18   ` Yingjoe Chen
2015-01-19 15:00     ` Wolfram Sang
2015-01-09 17:21 ` [RFC 02/11] i2c: add quirk checks to core Wolfram Sang
2015-01-09 19:35   ` Sergei Shtylyov
2015-01-09 20:45     ` Wolfram Sang
2015-01-09 21:05       ` Sergei Shtylyov
2015-01-12  9:58   ` Ludovic Desroches
2015-01-12 10:13     ` Wolfram Sang
2015-01-12 12:08   ` Russell King - ARM Linux
2015-02-24 14:25     ` Wolfram Sang
2015-01-12 13:15   ` Matthias Brugger
2015-02-24 14:16     ` Wolfram Sang
2015-01-09 17:21 ` [RFC 03/11] i2c: at91: make use of the new infrastructure for quirks Wolfram Sang
2015-01-09 17:21 ` [RFC 04/11] i2c: opal: " Wolfram Sang
2015-01-09 17:21 ` [RFC 05/11] i2c: qup: " Wolfram Sang
2015-01-09 17:21 ` [RFC 06/11] i2c: cpm: " Wolfram Sang
2015-01-09 17:21 ` [RFC 07/11] i2c: axxia: " Wolfram Sang
2015-01-09 17:21 ` [RFC 08/11] i2c: dln2: " Wolfram Sang
2015-01-09 17:21 ` Wolfram Sang [this message]
2015-01-09 17:21 ` [RFC 10/11] i2c: viperboard: " Wolfram Sang
2015-01-09 17:21 ` [RFC 11/11] i2c: pmcmsp: " Wolfram Sang

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