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[86.58.6.171]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-30a819e1462sm5709901fa.21.2025.02.26.07.54.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Feb 2025 07:54:57 -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 2/2] sunxi: sun50i_h6: clock: fix PLL_PERIPH0 rate calculation Date: Wed, 26 Feb 2025 16:54:55 +0100 Message-ID: <1914474.tdWV9SEqCh@jernej-laptop> In-Reply-To: <20250226113712.1257061-3-andre.przywara@arm.com> References: <20250226113712.1257061-1-andre.przywara@arm.com> <20250226113712.1257061-3-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 12:37:12 Srednjeevropski standardni =C4=8Das= je Andre Przywara napisal(a): > On the Allwinner D1/R528/T113-s3 SoCs (NCAT2) the factors encoded in > the PLL register describe the doubled clock rate, as in the other SoCs. >=20 > Correct for that by always dividing the calculated rate by 2, except on > the H6, where we need a divisor of 4 (no change here). >=20 > This corrects the PERIPH0 clock rate as read by the MMC driver, and > actually doubles the MMC performance on those NCAT2 chips. >=20 > Signed-off-by: Andre Przywara > Reported-by: Kuba Szczodrzy=C5=84ski Reviewed-by: Jernej Skrabec Best regards, Jernej