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Tue, 17 Dec 2024 16:16:35 -0800 (PST) From: Prabhakar X-Google-Original-From: Prabhakar To: Chris Brandt , Andi Shyti , Philipp Zabel , Wolfram Sang , Geert Uytterhoeven Cc: linux-renesas-soc@vger.kernel.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Lad Prabhakar Subject: [PATCH v2 5/9] i2c: riic: Make use of devres helper to request deasserted reset line Date: Wed, 18 Dec 2024 00:16:14 +0000 Message-ID: <20241218001618.488946-6-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20241218001618.488946-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20241218001618.488946-1-prabhakar.mahadev-lad.rj@bp.renesas.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Lad Prabhakar Simplify the `riic_i2c_probe()` function by using the `devm_reset_control_get_optional_exclusive_deasserted()` API to request a deasserted reset line. This eliminates the need to manually deassert the reset control and the additional cleanup. Signed-off-by: Lad Prabhakar --- v1->v2 - Updated error message --- drivers/i2c/busses/i2c-riic.c | 17 ++--------------- 1 file changed, 2 insertions(+), 15 deletions(-) diff --git a/drivers/i2c/busses/i2c-riic.c b/drivers/i2c/busses/i2c-riic.c index ddae4b74a86b..edf2212e96ea 100644 --- a/drivers/i2c/busses/i2c-riic.c +++ b/drivers/i2c/busses/i2c-riic.c @@ -422,11 +422,6 @@ static struct riic_irq_desc riic_irqs[] = { { .res_num = 5, .isr = riic_tend_isr, .name = "riic-nack" }, }; -static void riic_reset_control_assert(void *data) -{ - reset_control_assert(data); -} - static int riic_i2c_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -447,18 +442,10 @@ static int riic_i2c_probe(struct platform_device *pdev) return dev_err_probe(dev, PTR_ERR(riic->clk), "missing controller clock"); - riic->rstc = devm_reset_control_get_optional_exclusive(dev, NULL); + riic->rstc = devm_reset_control_get_optional_exclusive_deasserted(dev, NULL); if (IS_ERR(riic->rstc)) return dev_err_probe(dev, PTR_ERR(riic->rstc), - "Error: missing reset ctrl\n"); - - ret = reset_control_deassert(riic->rstc); - if (ret) - return ret; - - ret = devm_add_action_or_reset(dev, riic_reset_control_assert, riic->rstc); - if (ret) - return ret; + "failed to acquire deasserted reset\n"); for (i = 0; i < ARRAY_SIZE(riic_irqs); i++) { ret = platform_get_irq(pdev, riic_irqs[i].res_num);