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Mon, 27 Aug 2018 08:23:26 +0000 Date: Mon, 27 Aug 2018 16:20:26 +0800 From: Jisheng Zhang To: Adrian Hunter , Ulf Hansson Cc: , , Subject: [PATCH v5 0/3] solve SDHCI DWC MSHC 128MB DMA boundary limitation Message-ID: <20180827162026.3901de27@xhacker.debian> X-Mailer: Claws Mail 3.17.0 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Originating-IP: [124.74.246.114] X-ClientProxiedBy: TYAPR01CA0023.jpnprd01.prod.outlook.com (2603:1096:404::35) To CY1PR0301MB1578.namprd03.prod.outlook.com (2a01:111:e400:529c::16) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 6ff0340b-a62d-4bc1-56c0-08d60bf65d8e X-Microsoft-Antispam: BCL:0;PCL:0;RULEID:(7020095)(4652040)(8989137)(4534165)(4627221)(201703031133081)(201702281549075)(8990107)(5600074)(711020)(2017052603328)(7153060)(7193020);SRVR:CY1PR0301MB1578; X-Microsoft-Exchange-Diagnostics: 1;CY1PR0301MB1578;3:zHzahhfL6h07hXmF7YXokiogtuka+BuvniJ3o8bumpgTkRCUxTxvXCCKG5Xm7XciP0MPhSeR961QJXordmVS02HnibqPf5j5l58fPVVCCmfqEtennxbyPvpTI/Qa+Zfmp4YK9WZH2muv+Y2LxgqDrM836HSCtdsHG/HUmopXQoa9BJvn3zcGk0AVr3VmXRxJ+ar/O4/m8x47GOhybAuMeJ9D1LvJnh60MOcn4QD9RkI4AQfUpaS15mXDHRNh2sZO;25:s101zUJgOkpJ7a/JXM8ebBOFsYRWmg95cuMAEdUMjcdLb+FIAn87tH0AStO8kzKtibStt/iLa2Wdkh9ZsdIiMqo7r5SAgeqU45HdUeibLwLOO1TpH/LLsswJZ2VAecAI1SvxcNtAPHXpGs9Q9Qhdbx4vO89/0WPVd/iaYDKyfG8PNCK84aGm7qW9J2KKUBwSg3mx5n+Hc5NJzgdu6x7csoIs5AVC2NwhmTCxA5t+Dlw15/NJGS1QZTCEVPCm6OlXFzvuE7gBQkYKUa9+hASN/dR7xZc8dvHOC2YV0eE3A1CXvip3pO4BMybd/O6ulKuqp3E/Ju6JIsATvrjfZNxipg==;31:L07DIt3TCy7iZZqU85gwwfzymlNo19LWxHBAqfwGcMAtFHBVP3s1Si2Byk4giLwpxo3o6tHhNpv0Nnku3J2QZKxNT2jtY+4fglPCbjvTQH+a3YOJnPcQyfhYvBO3ug8E6RRXD4CGhjVheTrrSfcViSinHVj4eoJMqghU8+nHbagkBM4UxFQJ7F8qgogtx5m5Do1LhBHVmJ0bHwB2alJxEx0vV3FKIZMbzBRhQBRuy+k= X-MS-TrafficTypeDiagnostic: CY1PR0301MB1578: X-Microsoft-Exchange-Diagnostics: 1;CY1PR0301MB1578;20:9IuO1SieObUGr9qUYPghlr6vpo2s4Yt7BGEE3kUW7BesPZOEocfekuYhGGqqo8SfZxVeBOvmieYWJaQV/PMiMz7smLkpjzN81rCnNzosUGHs4Wz/p5LrWHQMn0ia3pG4QFf0ZEuzzw++J/+ZeNTuULb0x5v/5XdPlohahi1oFRIasNv8vy13HH0kcVwa0i6L667dE9Js5bKekDW63S3sTU4mYemfl6P+OHrN+06WO07I603GvZOOxqXtucFMq+VhFIiiSCY9iO6Ch9MyQO7Y2u7APNVWSEjFLcgzqNe+Zgz8DNhRvSuQ80LImfIB95gneGeR33QSHVjH6c28HLuQtPxuXd7uZEW5/jYiV0iIEs4PXrf8kugTDYluwSKJopjTPu1DYeufjOLDRsPTLLlI0IC+N5hlZeIbB7OeUUE5j308+CobBNNWMVJPknCh9vXsunwh8PN9/yyZHy7UU1mJE0/wtFUyyUknBo0oit9GYu50BcSKrEZNib+Q1M5Nrsg7;4:ViYSBegQpzxlRAwvC/dfvyM7/XYjVXaMqQY+wmZAxi5gf4tWoyt4eheE1+ve0MWdXVsVDb6v7sxEKliixiOWRX7nsZg6JV4P2J7+Zt3ODLzdL3M/Y1+Om9D+W8Iq3BMlrP7k5I+MGSnlxku+BBMufORG9MmJJaMxX0LU/izgURgnJtY8eQgWBy9npKkWBaxjtzwW+PKCL63H7xqP8/j/KJL4TGmXreVmEAXagy7Lqdl7YCIfwNidN5JetxA/bfLv6BzfBUkjBeORMwwp6720yQ== X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-Test: UriScan:; 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adma_table_cnt updating could make use of the fact that it's already initialized by the common sdhci code, we just need to tune. since v3: - s/adma_table_num/adma_table_cnt - add comment to adma_table_cnt - make the exported function name without the _ - let sdhci_adma_write_desc() accept &desc param and set the new desc value since v2: - make use of "likely" to check (!len || BOUNDARY_OK(addr, len)) - explictly include for SZ_128M since v1: - fix BOUNDARY_OK macro if addr+len is aligned to 128MB - use DIV_ROUND_UP to cal extra desc num - fix !len for dwcmshc_adma_write_desc() Jisheng Zhang (3): mmc: sdhci: add adma_table_cnt member to struct sdhci_host mmc: sdhci: introduce adma_write_desc() hook to struct sdhci_ops mmc: sdhci-of-dwcmshc: solve 128MB DMA boundary limitation drivers/mmc/host/sdhci-of-dwcmshc.c | 41 ++++++++++++++++++++++ drivers/mmc/host/sdhci.c | 54 +++++++++++++++++------------ drivers/mmc/host/sdhci.h | 7 ++++ 3 files changed, 80 insertions(+), 22 deletions(-) -- 2.18.0