From mboxrd@z Thu Jan 1 00:00:00 1970 From: dianders@chromium.org (Doug Anderson) Date: Fri, 1 Mar 2013 08:57:30 -0800 Subject: [PATCH v4 0/2] Add automatic bus number support for i2c busses with device tree In-Reply-To: <1360630085-26874-1-git-send-email-dianders@chromium.org> References: <1360630085-26874-1-git-send-email-dianders@chromium.org> Message-ID: <1362157052-16738-1-git-send-email-dianders@chromium.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This was suggested by Mark Brown in response to a patch for adding this functionality only for the s3c2410 bus: https://lkml.org/lkml/2012/11/20/681 I have also modified the i2c-pxa driver to use this new functionality. The i2c-pxa driver changes have only been compile-tested and are just for cleanup purposes. Changes in v4: - Rebased atop the removal of MAX_IDR_MASK. Changes in v3: - Addressed Wolfram's feedback; rebased atop idr-cleanup series. Changes in v2: - No longer tweak pdev->id as per Sylwester Nawrocki. - No longer add the dev ID to the adap.name. Other drivers don't include the device ID here and it doesn't make sense with dynamically (or automatically) allocated IDs. - Use dev_name(&dev->dev) to register for the IRQ; this matches what the i2c-s3c2410.c does and handles dynamically allocated IDs. - This change was only compile-tested (corgi_defconfig), since I don't have access to a board that uses this driver. Doug Anderson (2): i2c-core: dt: Pick i2c bus number from i2c alias if present i2c: pxa: Use i2c-core to get bus number now drivers/i2c/busses/i2c-pxa.c | 20 ++++++++---------- drivers/i2c/i2c-core.c | 49 +++++++++++++++++++++++++++++++++----------- 2 files changed, 46 insertions(+), 23 deletions(-) -- 1.8.1.3