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[147.11.124.94]) by smtp.gmail.com with ESMTPSA id e18sm14033640pgr.71.2020.11.29.18.50.08 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 29 Nov 2020 18:50:10 -0800 (PST) From: Bin Meng To: Alistair Francis , Kevin Wolf , Max Reitz , qemu-block@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH] hw/block: m25p80: Fix fast read for SST flashes Date: Mon, 30 Nov 2020 10:50:02 +0800 Message-Id: <1606704602-59435-1-git-send-email-bmeng.cn@gmail.com> X-Mailer: git-send-email 2.7.4 Received-SPF: pass client-ip=2607:f8b0:4864:20::1042; envelope-from=bmeng.cn@gmail.com; helo=mail-pj1-x1042.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, FREEMAIL_FROM=0.001, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Bin Meng Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Bin Meng SST flashes require a dummy byte after the address bits. Signed-off-by: Bin Meng Acked-by: Alistair Francis --- hw/block/m25p80.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/block/m25p80.c b/hw/block/m25p80.c index 483925f..9b36762 100644 --- a/hw/block/m25p80.c +++ b/hw/block/m25p80.c @@ -825,6 +825,9 @@ static void decode_fast_read_cmd(Flash *s) s->needed_bytes = get_addr_length(s); switch (get_man(s)) { /* Dummy cycles - modeled with bytes writes instead of bits */ + case MAN_SST: + s->needed_bytes += 1; + break; case MAN_WINBOND: s->needed_bytes += 8; break;