Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux

mmc: core: Drop the MMC_RSP_R1_NO_CRC response

The MMC_RSP_R1_NO_CRC type of response is not being used by the mmc core
for any commands. Let's therefore drop it, together with the corresponding
code in the host drivers.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com> # for TMIO
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Message-ID: <20241125132311.23939-1-ulf.hansson@linaro.org>

-9
-2
drivers/mmc/host/rtsx_pci_sdmmc.c
··· 115 115 return SD_RSP_TYPE_R0; 116 116 case MMC_RSP_R1: 117 117 return SD_RSP_TYPE_R1; 118 - case MMC_RSP_R1_NO_CRC: 119 - return SD_RSP_TYPE_R1 | SD_NO_CHECK_CRC7; 120 118 case MMC_RSP_R1B: 121 119 return SD_RSP_TYPE_R1b; 122 120 case MMC_RSP_R2:
-3
drivers/mmc/host/rtsx_usb_sdmmc.c
··· 313 313 case MMC_RSP_R1: 314 314 rsp_type = SD_RSP_TYPE_R1; 315 315 break; 316 - case MMC_RSP_R1_NO_CRC: 317 - rsp_type = SD_RSP_TYPE_R1 | SD_NO_CHECK_CRC7; 318 - break; 319 316 case MMC_RSP_R1B: 320 317 rsp_type = SD_RSP_TYPE_R1b; 321 318 break;
-1
drivers/mmc/host/tmio_mmc_core.c
··· 297 297 switch (mmc_resp_type(cmd)) { 298 298 case MMC_RSP_NONE: c |= RESP_NONE; break; 299 299 case MMC_RSP_R1: 300 - case MMC_RSP_R1_NO_CRC: 301 300 c |= RESP_R1; break; 302 301 case MMC_RSP_R1B: c |= RESP_R1B; break; 303 302 case MMC_RSP_R2: c |= RESP_R2; break;
-3
include/linux/mmc/core.h
··· 64 64 #define MMC_RSP_R6 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) 65 65 #define MMC_RSP_R7 (MMC_RSP_PRESENT|MMC_RSP_CRC|MMC_RSP_OPCODE) 66 66 67 - /* Can be used by core to poll after switch to MMC HS mode */ 68 - #define MMC_RSP_R1_NO_CRC (MMC_RSP_PRESENT|MMC_RSP_OPCODE) 69 - 70 67 #define mmc_resp_type(cmd) ((cmd)->flags & (MMC_RSP_PRESENT|MMC_RSP_136|MMC_RSP_CRC|MMC_RSP_BUSY|MMC_RSP_OPCODE)) 71 68 72 69 /*