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[68.180.127.24]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-1327875a269sm12150239c88.13.2026.05.10.16.38.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 10 May 2026 16:38:59 -0700 (PDT) From: Ethan Nelson-Moore To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Russell King , Ethan Nelson-Moore Subject: [PATCH] ARM: riscpc: simplify vram_size calculation Date: Sun, 10 May 2026 16:38:48 -0700 Message-ID: <20260510233849.22141-1-enelsonmoore@gmail.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260510_163901_432182_58F16794 X-CRM114-Status: GOOD ( 10.18 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The code to calculate vram_size in parse_tag_acorn() is unnecessarily complex and inflexible. Replace it with a simple multiplication. Signed-off-by: Ethan Nelson-Moore --- arch/arm/mach-rpc/riscpc.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) diff --git a/arch/arm/mach-rpc/riscpc.c b/arch/arm/mach-rpc/riscpc.c index bdad13226c6d..14d78b7f9493 100644 --- a/arch/arm/mach-rpc/riscpc.c +++ b/arch/arm/mach-rpc/riscpc.c @@ -43,17 +43,8 @@ static int __init parse_tag_acorn(const struct tag *tag) { memc_ctrl_reg = tag->u.acorn.memc_control_reg; number_mfm_drives = tag->u.acorn.adfsdrives; + vram_size = tag->u.acorn.vram_pages * PAGE_SIZE; - switch (tag->u.acorn.vram_pages) { - case 512: - vram_size += PAGE_SIZE * 256; - fallthrough; /* ??? */ - case 256: - vram_size += PAGE_SIZE * 256; - break; - default: - break; - } #if 0 if (vram_size) { desc->video_start = 0x02000000; -- 2.43.0