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Wed, 15 Apr 2026 05:47:36 -0700 (PDT) From: John Madieu X-Google-Original-From: John Madieu To: Kuninori Morimoto , Mark Brown , Liam Girdwood Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jaroslav Kysela , Takashi Iwai , Geert Uytterhoeven , Magnus Damm , Philipp Zabel , Claudiu Beznea , Biju Das , john.madieu@gmail.com, linux-sound@vger.kernel.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, John Madieu Subject: [PATCH v5 02/14] ASoC: rsnd: Fix RSND_SOC_MASK width to single nibble Date: Wed, 15 Apr 2026 12:47:19 +0000 Message-Id: <20260415124731.3684773-3-john.madieu.xa@bp.renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260415124731.3684773-1-john.madieu.xa@bp.renesas.com> References: <20260415124731.3684773-1-john.madieu.xa@bp.renesas.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit RSND_SOC_MASK was defined as (0xFF << 4), spanning bits 4-11. This is wider than needed since only nibble B (bits 7:4) is used for SoC identifiers. Narrow it to (0xF << 4) to match the intended single-nibble allocation and prevent overlap with bits 8-11 which will be used by upcoming RZ series flags. No functional change, since the only current user (RSND_SOC_E) fits within a single nibble. Fixes: ba164a49f8f7 ("ASoC: rsnd: src: Avoid a potential deadlock") Signed-off-by: John Madieu --- Changes: v5: - New patch - Extracted as a standalone bug-fix patch per Kuninori's request Previously embedded in patch 04/12. - Add Fixes: tag referencing the commit that introduced the mask. sound/soc/renesas/rcar/rsnd.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/renesas/rcar/rsnd.h b/sound/soc/renesas/rcar/rsnd.h index 04c70690f7a2..3e666125959b 100644 --- a/sound/soc/renesas/rcar/rsnd.h +++ b/sound/soc/renesas/rcar/rsnd.h @@ -624,7 +624,7 @@ struct rsnd_priv { #define RSND_GEN2 (2 << 0) #define RSND_GEN3 (3 << 0) #define RSND_GEN4 (4 << 0) -#define RSND_SOC_MASK (0xFF << 4) +#define RSND_SOC_MASK (0xF << 4) #define RSND_SOC_E (1 << 4) /* E1/E2/E3 */ /* -- 2.25.1