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[176.184.4.239]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-424a2abcfd0sm62312855e9.1.2024.06.28.00.06.25 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 28 Jun 2024 00:06:25 -0700 (PDT) From: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org, =?utf-8?q?C=C3=A9dric_Le_Goater?= Subject: [PATCH v42 42/98] hw/sd/sdcard: Remove SEND_DSR dead case (CMD4) Date: Fri, 28 Jun 2024 09:01:18 +0200 Message-ID: <20240628070216.92609-43-philmd@linaro.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20240628070216.92609-1-philmd@linaro.org> References: <20240628070216.92609-1-philmd@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::129; envelope-from=philmd@linaro.org; helo=mail-lf1-x129.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org The CSD::CSR_IMP bit defines whether the Driver Stage Register (DSR) is implemented or not. We do not set this bit in CSD: static void sd_set_csd(SDState *sd, uint64_t size) { ... if (size <= SDSC_MAX_CAPACITY) { /* Standard Capacity SD */ ... sd->csd[6] = 0xe0 | /* Partial block for read allowed */ ((csize >> 10) & 0x03); ... } else { /* SDHC */ ... sd->csd[6] = 0x00; ... } ... } The sd_normal_command() switch case for the SEND_DSR command do nothing and fallback to "illegal command". Since the command is mandatory (although the register isn't...) call the sd_cmd_unimplemented() handler. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Cédric Le Goater --- hw/sd/sd.c | 14 ++------------ 1 file changed, 2 insertions(+), 12 deletions(-) diff --git a/hw/sd/sd.c b/hw/sd/sd.c index a816493d37..097cb0f2e2 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -240,7 +240,7 @@ static const char *sd_response_name(sd_rsp_type_t rsp) static const char *sd_cmd_name(SDState *sd, uint8_t cmd) { static const char *cmd_abbrev[SDMMC_CMD_MAX] = { - [4] = "SET_DSR", [5] = "IO_SEND_OP_COND", + [5] = "IO_SEND_OP_COND", [6] = "SWITCH_FUNC", [7] = "SELECT/DESELECT_CARD", [8] = "SEND_IF_COND", [9] = "SEND_CSD", [10] = "SEND_CID", [11] = "VOLTAGE_SWITCH", @@ -1153,7 +1153,6 @@ static sd_rsp_type_t sd_cmd_illegal(SDState *sd, SDRequest req) } /* Commands that are recognised but not yet implemented. */ -__attribute__((unused)) static sd_rsp_type_t sd_cmd_unimplemented(SDState *sd, SDRequest req) { qemu_log_mask(LOG_UNIMP, "%s: CMD%i not implemented\n", @@ -1312,16 +1311,6 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, SDRequest req) switch (req.cmd) { /* Basic commands (Class 0 and Class 1) */ - case 4: /* CMD4: SEND_DSR */ - switch (sd->state) { - case sd_standby_state: - break; - - default: - break; - } - break; - case 6: /* CMD6: SWITCH_FUNCTION */ if (sd->mode != sd_data_transfer_mode) { return sd_invalid_mode_for_cmd(sd, req); @@ -2289,6 +2278,7 @@ static const SDProto sd_proto_sd = { [0] = {0, sd_bc, "GO_IDLE_STATE", sd_cmd_GO_IDLE_STATE}, [2] = {0, sd_bcr, "ALL_SEND_CID", sd_cmd_ALL_SEND_CID}, [3] = {0, sd_bcr, "SEND_RELATIVE_ADDR", sd_cmd_SEND_RELATIVE_ADDR}, + [4] = {0, sd_bc, "SEND_DSR", sd_cmd_unimplemented}, [19] = {2, sd_adtc, "SEND_TUNING_BLOCK", sd_cmd_SEND_TUNING_BLOCK}, [23] = {2, sd_ac, "SET_BLOCK_COUNT", sd_cmd_SET_BLOCK_COUNT}, },