From: Sven Peter <sven@svenpeter.dev>
To: Michael Ellerman <mpe@ellerman.id.au>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
Olof Johansson <olof@lixom.net>,
Christian Zigotzky <chzigotzky@xenosoft.de>,
Wolfram Sang <wsa@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>, Sven Peter <sven@svenpeter.dev>,
Hector Martin <marcan@marcan.st>,
linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Mohamed Mediouni <mohamed.mediouni@caramail.com>,
Stan Skowronek <stan@corellium.com>,
linuxppc-dev@lists.ozlabs.org,
Alyssa Rosenzweig <alyssa@rosenzweig.io>,
Mark Kettenis <mark.kettenis@xs4all.nl>
Subject: [PATCH v2 05/11] i2c: pasemi: Split off common probing code
Date: Fri, 8 Oct 2021 18:35:26 +0200 [thread overview]
Message-ID: <20211008163532.75569-6-sven@svenpeter.dev> (raw)
In-Reply-To: <20211008163532.75569-1-sven@svenpeter.dev>
Split off common probing code that will be used by both the PCI and the
platform device.
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sven Peter <sven@svenpeter.dev>
---
v1 -> v2: no changes
drivers/i2c/busses/i2c-pasemi.c | 39 +++++++++++++++++++++------------
1 file changed, 25 insertions(+), 14 deletions(-)
diff --git a/drivers/i2c/busses/i2c-pasemi.c b/drivers/i2c/busses/i2c-pasemi.c
index a018e9376023..baf338149673 100644
--- a/drivers/i2c/busses/i2c-pasemi.c
+++ b/drivers/i2c/busses/i2c-pasemi.c
@@ -329,6 +329,30 @@ static const struct i2c_algorithm smbus_algorithm = {
.functionality = pasemi_smb_func,
};
+static int pasemi_i2c_common_probe(struct pasemi_smbus *smbus)
+{
+ int error;
+
+ smbus->adapter.owner = THIS_MODULE;
+ snprintf(smbus->adapter.name, sizeof(smbus->adapter.name),
+ "PA Semi SMBus adapter (%s)", dev_name(smbus->dev));
+ smbus->adapter.class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
+ smbus->adapter.algo = &smbus_algorithm;
+ smbus->adapter.algo_data = smbus;
+
+ /* set up the sysfs linkage to our parent device */
+ smbus->adapter.dev.parent = smbus->dev;
+
+ reg_write(smbus, REG_CTL, (CTL_MTR | CTL_MRR |
+ (CLK_100K_DIV & CTL_CLK_M)));
+
+ error = i2c_add_adapter(&smbus->adapter);
+ if (error)
+ return error;
+
+ return 0;
+}
+
static int pasemi_smb_probe(struct pci_dev *dev,
const struct pci_device_id *id)
{
@@ -358,20 +382,7 @@ static int pasemi_smb_probe(struct pci_dev *dev,
goto out_release_region;
}
- smbus->adapter.owner = THIS_MODULE;
- snprintf(smbus->adapter.name, sizeof(smbus->adapter.name),
- "PA Semi SMBus adapter (%s)", dev_name(smbus->dev));
- smbus->adapter.class = I2C_CLASS_HWMON | I2C_CLASS_SPD;
- smbus->adapter.algo = &smbus_algorithm;
- smbus->adapter.algo_data = smbus;
-
- /* set up the sysfs linkage to our parent device */
- smbus->adapter.dev.parent = smbus->dev;
-
- reg_write(smbus, REG_CTL, (CTL_MTR | CTL_MRR |
- (CLK_100K_DIV & CTL_CLK_M)));
-
- error = i2c_add_adapter(&smbus->adapter);
+ int error = pasemi_i2c_common_probe(smbus);
if (error)
goto out_ioport_unmap;
--
2.25.1
next prev parent reply other threads:[~2021-10-08 16:40 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-08 16:35 [PATCH v2 00/11] Add Apple M1 support to PASemi i2c driver Sven Peter
2021-10-08 16:35 ` [PATCH v2 01/11] dt-bindings: i2c: Add Apple I2C controller bindings Sven Peter
2021-10-08 16:35 ` [PATCH v2 02/11] i2c: pasemi: Use io{read,write}32 Sven Peter
2021-10-08 16:35 ` [PATCH v2 03/11] i2c: pasemi: Use dev_name instead of port number Sven Peter
2021-10-08 16:35 ` [PATCH v2 04/11] i2c: pasemi: Remove usage of pci_dev Sven Peter
2021-10-08 16:35 ` Sven Peter [this message]
2021-10-08 16:35 ` [PATCH v2 06/11] i2c: pasemi: Split pci driver to its own file Sven Peter
2021-10-08 16:35 ` [PATCH v2 07/11] i2c: pasemi: Move common reset code to own function Sven Peter
2021-10-08 16:35 ` [PATCH v2 08/11] i2c: pasemi: Allow to configure bus frequency Sven Peter
2021-10-08 16:35 ` [PATCH v2 09/11] i2c: pasemi: Refactor _probe to use devm_* Sven Peter
2021-10-08 16:35 ` [PATCH v2 10/11] i2c: pasemi: Add Apple platform driver Sven Peter
2021-10-09 10:09 ` Wolfram Sang
2021-10-09 11:29 ` Sven Peter
2021-10-08 16:35 ` [PATCH v2 11/11] i2c: pasemi: Set enable bit for Apple variant Sven Peter
2021-10-08 20:49 ` [PATCH v2 00/11] Add Apple M1 support to PASemi i2c driver Olof Johansson
2021-10-09 10:10 ` Wolfram Sang
2021-10-09 11:30 ` Sven Peter
2021-10-09 13:57 ` Christian Zigotzky
2021-10-10 13:17 ` Sven Peter
2021-10-11 8:54 ` Wolfram Sang
2021-10-11 9:23 ` Hector Martin
2021-10-11 9:37 ` Wolfram Sang
2021-10-13 8:06 ` Christian Zigotzky
2021-10-11 10:04 ` Wolfram Sang
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