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[59.124.168.89]) by smtp.gmail.com with ESMTPSA id v62-20020a632f41000000b00430c6fd7ffbsm4705716pgv.84.2022.09.11.23.50.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 11 Sep 2022 23:50:47 -0700 (PDT) From: Zong Li To: robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, palmer@dabbelt.com, paul.walmsley@sifive.com, aou@eecs.berkeley.edu, greentime.hu@sifive.com, conor.dooley@microchip.com, ben.dooks@sifive.com, bp@alien8.de, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Zong Li Subject: [PATCH v4 4/6] soc: sifive: ccache: reduce printing on init Date: Mon, 12 Sep 2022 06:50:27 +0000 Message-Id: <20220912065029.1793-5-zong.li@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220912065029.1793-1-zong.li@sifive.com> References: <20220912065029.1793-1-zong.li@sifive.com> Precedence: bulk List-ID: X-Mailing-List: linux-edac@vger.kernel.org From: Ben Dooks The driver prints out 6 lines on startup, which can easily be redcued to two lines without losing any information. Note, to make the types work better, uint64_t has been replaced with ULL to make the unsigned long long match the format in the print statement. Signed-off-by: Ben Dooks Signed-off-by: Zong Li Reviewed-by: Conor Dooley --- drivers/soc/sifive/sifive_ccache.c | 25 +++++++++++-------------- 1 file changed, 11 insertions(+), 14 deletions(-) diff --git a/drivers/soc/sifive/sifive_ccache.c b/drivers/soc/sifive/sifive_ccache.c index b361b661ea09..17080af7dfa0 100644 --- a/drivers/soc/sifive/sifive_ccache.c +++ b/drivers/soc/sifive/sifive_ccache.c @@ -81,20 +81,17 @@ static void setup_sifive_debug(void) static void ccache_config_read(void) { - u32 regval, val; - - regval = readl(ccache_base + SIFIVE_CCACHE_CONFIG); - val = regval & 0xFF; - pr_info("CCACHE: No. of Banks in the cache: %d\n", val); - val = (regval & 0xFF00) >> 8; - pr_info("CCACHE: No. of ways per bank: %d\n", val); - val = (regval & 0xFF0000) >> 16; - pr_info("CCACHE: Sets per bank: %llu\n", (uint64_t)1 << val); - val = (regval & 0xFF000000) >> 24; - pr_info("CCACHE: Bytes per cache block: %llu\n", (uint64_t)1 << val); - - regval = readl(ccache_base + SIFIVE_CCACHE_WAYENABLE); - pr_info("CCACHE: Index of the largest way enabled: %d\n", regval); + u32 cfg; + + cfg = readl(ccache_base + SIFIVE_CCACHE_CONFIG); + + pr_info("CCACHE: %u banks, %u ways, sets/bank=%llu, bytes/block=%llu\n", + (cfg & 0xff), (cfg >> 8) & 0xff, + BIT_ULL((cfg >> 16) & 0xff), + BIT_ULL((cfg >> 24) & 0xff)); + + cfg = readl(ccache_base + SIFIVE_CCACHE_WAYENABLE); + pr_info("CCACHE: Index of the largest way enabled: %u\n", cfg); } static const struct of_device_id sifive_ccache_ids[] = { -- 2.17.1