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Tue, 24 Jun 2025 11:29:52 +0000 Message-ID: Date: Tue, 24 Jun 2025 14:29:48 +0300 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] Revert "mmc: sdhci: Disable SD card clock before changing parameters" To: Ulf Hansson , CC: , Erick Shepherd , , Jonathan Liu , "Salvatore Bonaccorso" References: <20250624110932.176925-1-ulf.hansson@linaro.org> Content-Language: en-US From: Adrian Hunter Organization: Intel Finland Oy, Registered Address: c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo, Business Identity Code: 0357606 - 4, Domiciled in Helsinki In-Reply-To: <20250624110932.176925-1-ulf.hansson@linaro.org> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: DU7PR01CA0036.eurprd01.prod.exchangelabs.com (2603:10a6:10:50e::25) To BN7PR11MB2708.namprd11.prod.outlook.com (2603:10b6:406:a9::11) Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN7PR11MB2708:EE_|DS7PR11MB5967:EE_ X-MS-Office365-Filtering-Correlation-Id: 8442b7f1-12da-4e77-3bd1-08ddb3126f75 X-LD-Processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|376014|7053199007; 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Let's revert and start over. > > This reverts commit fb3bbc46c94f261b6156ee863c1b06c84cf157dc. > > Cc: Erick Shepherd > Cc: stable@vger.kernel.org > Fixes: fb3bbc46c94f ("mmc: sdhci: Disable SD card clock before changing parameters") > Suggested-by: Adrian Hunter > Reported-by: Jonathan Liu > Reported-by: Salvatore Bonaccorso > Closes: https://bugs.debian.org/1108065 > Signed-off-by: Ulf Hansson Acked-by: Adrian Hunter > --- > drivers/mmc/host/sdhci.c | 9 ++------- > 1 file changed, 2 insertions(+), 7 deletions(-) > > diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c > index 4c6c2cc93c41..3a17821efa5c 100644 > --- a/drivers/mmc/host/sdhci.c > +++ b/drivers/mmc/host/sdhci.c > @@ -2065,15 +2065,10 @@ void sdhci_set_clock(struct sdhci_host *host, unsigned int clock) > > host->mmc->actual_clock = 0; > > - clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL); > - if (clk & SDHCI_CLOCK_CARD_EN) > - sdhci_writew(host, clk & ~SDHCI_CLOCK_CARD_EN, > - SDHCI_CLOCK_CONTROL); > + sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL); > > - if (clock == 0) { > - sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL); > + if (clock == 0) > return; > - } > > clk = sdhci_calc_clk(host, clock, &host->mmc->actual_clock); > sdhci_enable_clk(host, clk);