From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793207574; b=ttfwQSRDIfw1Iy6RvSt4QCokGASSHUGGLSNp+JgqemLObvELavv/50xOdLC4Sf4aZuxS z51UjyJdLFS0k37WwHcRvuYQxB1GCbnt27aUEkhpfcg3CdysytvNEQHxfbchWpYSwl8vf g++uaeHN58sv1zrXQFUxYkZGLO6xQ4ayNwCPxqnkOGcfsKfNXDM4j9Y6kxXyvB6eYH1Mw b6mpOeTYldLeA/8xbIIKLZqP3+fxr1kNlW/M+k9NL7Kjizm2CednijYT7by5scmI2IOns 9qu2sQCTLUP2RQAb0XKFWedBYu7/2LaDT5r0z2BTZz9uNORI4aZq8baE1SjvFBQeTbw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793207574; h=Received:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:User-Agent:X-stable:X-Patchwork-Hint: MIME-Version:Content-Transfer-Encoding; bh=6ANc7rjlQP5xaCMUGcKZ39e0wAZYcODqk+4Agyf6wGA=; b=htq6h4tJ+ExYF0WGBN+kq0+yYM6LQpnVMN8zbkFuOvT5r/nzApNH7ZdTbVe4fHSTQJlF i/YZQ8lxHEAhUNDsuTqPTDJW0s30K3OEs+ShMLVwKNJqBbK79dl8CH9HV8KCQ9qwZn8DD 99JfBhg6sAdpLaHztszIho6rR0w4SgdYQrV+nNIVIXf3J901tVqGBvutHNNxV00Sl+o5d NZhg4lpw2TmU2A0olH+cMJal4wJHj/zTj+jN53R4krSSC0Vpl/Ud1dtDTXupibkm3Idw3 rSl18LhN7ZrzHF4GPrAvyNaXok8R1AJm7XfsOWjJnNoObNKb0ID9gW9DsmmJGnpA6lA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=s4IuYn3x; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0BF6A606A321; Wed, 28 Oct 2026 17:12:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=s4IuYn3x Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2D23F1F01825; Wed, 28 Oct 2026 17:12:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1793207573; bh=6ANc7rjlQP5xaCMUGcKZ39e0wAZYcODqk+4Agyf6wGA=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=s4IuYn3xFUTmmYEsmR0GcRQj9HqVbOsUiZs+3y6D2mp47a/7wXrR60vQqqYOL/nE4 gQ2DEAnnoYy7wv1GiAOrtu661K4cyDX7cLx+bikHOS84Qu+tL2TzpyB1mNnI7qc+Gf Pms2szGyVJxz/RztFpvKNnA/krGUZivd/KxO8Hqk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Andy Shevchenko , Charles Keepax , Mark Brown , Sasha Levin Subject: [PATCH 6.12 037/247] regcache: Add ->populate() callback to separate from ->init() Date: Wed, 28 Oct 2026 17:57:20 +0100 Message-ID: <20261028165948.245740819@linuxfoundation.org> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261028165947.349197979@linuxfoundation.org> References: <20261028165947.349197979@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore X-Mailing-List: patches@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Andy Shevchenko [ Upstream commit 94a3a95f03154d8d4c6206950a7f6ef9a30baec6 ] In the future changes we would like to change the flow of the cache handling. Add ->populate() callback in order to prepare for that. Signed-off-by: Andy Shevchenko Reviewed-by: Charles Keepax Link: https://patch.msgid.link/20251031080540.3970776-2-andriy.shevchenko@linux.intel.com Signed-off-by: Mark Brown Stable-dep-of: abff0a48b110 ("regmap: Drop map lock during cache init and exit") Signed-off-by: Sasha Levin --- drivers/base/regmap/internal.h | 1 + drivers/base/regmap/regcache.c | 16 ++++++++++++++++ 2 files changed, 17 insertions(+) diff --git a/drivers/base/regmap/internal.h b/drivers/base/regmap/internal.h index bdb450436cbc5..e3ce87ffdd8c2 100644 --- a/drivers/base/regmap/internal.h +++ b/drivers/base/regmap/internal.h @@ -186,6 +186,7 @@ struct regcache_ops { enum regcache_type type; int (*init)(struct regmap *map); int (*exit)(struct regmap *map); + int (*populate)(struct regmap *map); #ifdef CONFIG_DEBUG_FS void (*debugfs_init)(struct regmap *map); #endif diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index d3659ba3cc112..d2630a55bb50b 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -201,8 +201,24 @@ int regcache_init(struct regmap *map, const struct regmap_config *config) if (ret) goto err_free; } + + if (map->num_reg_defaults && map->cache_ops->populate) { + dev_dbg(map->dev, "Populating %s cache\n", map->cache_ops->name); + map->lock(map->lock_arg); + ret = map->cache_ops->populate(map); + map->unlock(map->lock_arg); + if (ret) + goto err_exit; + } return 0; +err_exit: + if (map->cache_ops->exit) { + dev_dbg(map->dev, "Destroying %s cache\n", map->cache_ops->name); + map->lock(map->lock_arg); + ret = map->cache_ops->exit(map); + map->unlock(map->lock_arg); + } err_free: kfree(map->reg_defaults); if (map->cache_free) -- 2.53.0