From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B20F11C3F01; Fri, 8 Nov 2024 09:34:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731058458; cv=none; b=ZxPDo3TaNyMF4PIfm29Kn9cgv4hfeEX9aP3Tiqf5cs38qSpz98FzXmfw4lNasFTAYNMLJ5fJaT4iFvUv5jbdzE4pr2de3BK76duU5vRrHXmgy1uChINDDeeLRzD2afPSTUA7g/2Se8DzTHHa2SmMHXLW0+pKpmhPNKjgXKRfqXY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731058458; c=relaxed/simple; bh=TGZBuGMeEe+Ne8ep3KhskAFoF9Bm5tPr2Hq0yCiZatM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=u0MsTEcAKQkRXmWQiAsJeogio2zQb1rMfK5vM1PnEyZZ+zniko+Sfd5Vx1PYxBmoThQ1aXg0FHfKbYd7JU/VV+ouPKczmYbGBp4oRVZtyexPgBFDr3EeVeYq0CwCYbfzM75geddRMYXtcRc/biCvwBz9gkzdsUQ2TDNx2HAJh6k= ARC-Authentication-Results:i=1; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi Andy, On 10/10/2024 17:04, Andy Shevchenko wrote: > On Fri, Oct 04, 2024 at 05:46:43PM +0300, Tomi Valkeinen wrote: >> Add error handling to ub913_hw_init() using a new helper function, >> ub913_update_bits(). > > ... > >> + ret = ub913_update_bits(priv, UB913_REG_GENERAL_CFG, >> + UB913_REG_GENERAL_CFG_PCLK_RISING, >> + priv->pclk_polarity_rising ? >> + UB913_REG_GENERAL_CFG_PCLK_RISING : >> + 0); > > So, you can use regmap_set_bits() / regmap_clear_bits() instead of this > ternary. It also gives one parameter less to the regmap calls. True... But is it better? if (priv->pclk_polarity_rising) ret = regmap_set_bits(priv->regmap, UB913_REG_GENERAL_CFG, UB913_REG_GENERAL_CFG_PCLK_RISING); else ret = regmap_clear_bits(priv->regmap, UB913_REG_GENERAL_CFG, UB913_REG_GENERAL_CFG_PCLK_RISING); The call itself is more readable there, but then again, as we're setting the value of a bit, I dislike having if/else with two calls for a single assignment. Using FIELD_PREP is perhaps a bit better than the ternary: ret = ub913_update_bits(priv, UB913_REG_GENERAL_CFG, UB913_REG_GENERAL_CFG_PCLK_RISING, FIELD_PREP(UB913_REG_GENERAL_CFG_PCLK_RISING, priv->pclk_polarity_rising)); I think I'd like best a function to set/clear a bitmask with a boolean: ret = regmap_toggle_bits(priv->regmap, UB913_REG_GENERAL_CFG, UB913_REG_GENERAL_CFG_PCLK_RISING, priv->pclk_polarity_rising); For now, I think I'll go with the FIELD_PREP() version. It's perhaps a bit better than the ternary. Tomi