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[83.57.169.13]) by smtp.gmail.com with ESMTPSA id ke7sm2863264ejc.7.2021.01.21.14.05.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 21 Jan 2021 14:05:54 -0800 (PST) Subject: Re: [PATCH 22/25] hw/arm/armsse: Use Clock to set system_clock_scale To: Peter Maydell , qemu-arm@nongnu.org, qemu-devel@nongnu.org References: <20210121190622.22000-1-peter.maydell@linaro.org> <20210121190622.22000-23-peter.maydell@linaro.org> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Message-ID: Date: Thu, 21 Jan 2021 23:05:53 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <20210121190622.22000-23-peter.maydell@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::62e; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-ej1-x62e.google.com X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: Damien Hedde , Luc Michel Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 1/21/21 8:06 PM, Peter Maydell wrote: > Use the MAINCLK Clock input to set the system_clock_scale variable > rather than using the mainclk_frq property. > > Signed-off-by: Peter Maydell > --- > At some point we should make the SysTick take a Clock itself so > that we can get rid of the system_clock_scale global entirely. > (In fact we want two Clocks: one that is the CPU clock and one > for the 'external reference clock' whose period is currently > hardcoded at 1000ns in systick_scale()...) > --- > hw/arm/armsse.c | 21 +++++++++++++++++---- > 1 file changed, 17 insertions(+), 4 deletions(-) Reviewed-by: Philippe Mathieu-Daudé