| Message ID | 20190211083122.32485-1-federico.vaga@cern.ch |
|---|---|
| Headers | show
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Mon, 11 Feb 2019 09:31:31 +0100 From: Federico Vaga <federico.vaga@cern.ch> To: Peter Korsgaard <peter@korsgaard.com>, Andrew Lunn <andrew@lunn.ch> CC: <linux-i2c@vger.kernel.org>, <linux-kernel@vger.kernel.org> Subject: [PATCH v4 0/5] i2c:ocores: improvements Date: Mon, 11 Feb 2019 09:31:17 +0100 Message-ID: <20190211083122.32485-1-federico.vaga@cern.ch> X-Mailer: git-send-email 2.15.0 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [188.185.69.206] X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:188.184.36.48; IPV:NLI; CTRY:CH; EFV:NLI; SFV:NSPM; SFS:(10009020)(376002)(346002)(39860400002)(396003)(136003)(2980300002)(199004)(189003)(53416004)(2906002)(6666004)(3846002)(356004)(6116002)(966005)(14444005)(50226002)(8936002)(1076003)(7736002)(246002)(7636002)(478600001)(4326008)(8676002)(86362001)(110136005)(16586007)(6306002)(54906003)(106002)(786003)(316002)(2616005)(956004)(126002)(44832011)(36756003)(74482002)(476003)(106466001)(486006)(47776003)(305945005)(26005)(51416003)(7696005)(16526019)(186003)(336012)(426003)(50466002)(4744005)(66066001)(48376002); 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| Series | i2c:ocores: improvements | expand |
This patch set provides improvements to the i2c-ocore driver. [V3 -> V4] - add reviews-by/tested-by - add comment to justify the formula in udelay((8 * 1000) / i2c->bus_clock_khz); [V2 -> V3] - fix particular error condition on platform_get_irq(). Copied from https://patchwork.ozlabs.org/patch/1038409/ [V1 -> V2] - replaced usleep_range() with udelay() so that the polling version can be used in atomic context. - added dedicated patch for minor style issues - fixed delay computation - use spin_lock_irqsave(), instead of spin_trylock_irqsave(). IACK is always necessary and a trylock would generate an extra interrupt for nothing - make the driver ready for an eventual master_xfer_irqless()