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[86.58.6.171]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5e45b7174cesm2938378a12.34.2025.02.26.07.54.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Feb 2025 07:54:40 -0800 (PST) From: Jernej =?UTF-8?B?xaBrcmFiZWM=?= To: Peng Fan , Jaehoon Chung , Tom Rini , Andre Przywara Cc: Simon Glass , Kuba =?UTF-8?B?U3pjem9kcnp5xYRza2k=?= , Icenowy Zheng , u-boot@lists.denx.de, linux-sunxi@lists.linux.dev Subject: Re: [PATCH 1/2] sunxi: mmc: Fix T113-s3 MMC clock divider Date: Wed, 26 Feb 2025 16:54:39 +0100 Message-ID: <2359168.ElGaqSPkdT@jernej-laptop> In-Reply-To: <20250226113712.1257061-2-andre.przywara@arm.com> References: <20250226113712.1257061-1-andre.przywara@arm.com> <20250226113712.1257061-2-andre.przywara@arm.com> Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Dne sreda, 26. februar 2025 ob 12:37:11 Srednjeevropski standardni =C4=8Das= je Andre Przywara napisal(a): > On the Allwinner D1/R528/T113-s3 SoCs the MMC clock source selected by > mux value 1 is PLL_PERIPH0(1x), not (2x), as in the other SoCs. > But we have still the hidden divisor of 2 in the MMC mod clock, so > need to explicitly compensate for that on those SoCs. >=20 > This leads to the actually programmed clock rate to be double compared > to before, which increases the MMC performance on those SoCs. >=20 > Signed-off-by: Andre Przywara > Reported-by: Kuba Szczodrzy=C5=84ski Reviewed-by: Jernej Skrabec Best regards, Jernej