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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-38f03ad0e0csm1083073a91.7.2026.07.24.00.46.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 24 Jul 2026 00:46:19 -0700 (PDT) From: phucduc.bui@gmail.com To: Luca Ceresoli , Michael Turquette , Stephen Boyd , Brian Masney Cc: linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, bui duc phuc Subject: [PATCH] clk: versaclock5: restore cache_only on regcache_sync() failure in resume Date: Fri, 24 Jul 2026 14:46:03 +0700 Message-ID: <20260724074603.28731-1-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: bui duc phuc If regcache_sync() fails in vc5_resume(), the function only logs the error, leaving regmap with cache_only disabled even though the register cache has not been synchronized with the hardware. Re-enable cache_only on failure to restore the state established by vc5_suspend(). Signed-off-by: bui duc phuc --- drivers/clk/clk-versaclock5.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/clk/clk-versaclock5.c b/drivers/clk/clk-versaclock5.c index 913fcc5675f1..d87899118905 100644 --- a/drivers/clk/clk-versaclock5.c +++ b/drivers/clk/clk-versaclock5.c @@ -1240,8 +1240,10 @@ static int __maybe_unused vc5_resume(struct device *= dev) =20 regcache_cache_only(vc5->regmap, false); ret =3D regcache_sync(vc5->regmap); - if (ret) + if (ret) { + regcache_cache_only(vc5->regmap, true); dev_err(dev, "Failed to restore register map: %d\n", ret); + } return ret; } =20 --=20 2.43.0