From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Jon Fraser" Subject: [PATCH V2] xen/arm: Device Tree cpu clock-frequency Date: Thu, 7 Nov 2013 18:50:28 -0500 Message-ID: <1383868228-30709-1-git-send-email-jfraser@broadcom.com> References: <1383733729.26213.50.camel@kazak.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1383733729.26213.50.camel@kazak.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xen.org Cc: julien.grall@linaro.org, ian.campbell@citrix.com, Jon Fraser List-Id: xen-devel@lists.xenproject.org When creating CPU device tree properties, copy the clock-frequency if present. Quiets annoying messages from linux kernel: "/cpus/cpu@0 missing clock-frequency property" Signed-off-by: Jon Fraser --- xen/arch/arm/domain_build.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c index c644be2..186746c 100644 --- a/xen/arch/arm/domain_build.c +++ b/xen/arch/arm/domain_build.c @@ -391,6 +391,8 @@ static int make_cpus_node(const struct domain *d, void *fdt, u32 len; /* Placeholder for cpu@ + a 32-bit number + \0 */ char buf[15]; + u32 clock_frequency; + bool_t clock_valid; DPRINT("Create cpus node\n"); @@ -411,6 +413,8 @@ static int make_cpus_node(const struct domain *d, void *fdt, if ( dt_device_type_is_equal(npcpu, "cpu") ) { compatible = dt_get_property(npcpu, "compatible", &len); + clock_valid = dt_property_read_u32(npcpu, "clock-frequency", + &clock_frequency); break; } } @@ -457,6 +461,12 @@ static int make_cpus_node(const struct domain *d, void *fdt, if ( res ) return res; + if (clock_valid) { + res = fdt_property_cell(fdt, "clock-frequency", clock_frequency); + if ( res ) + return res; + } + res = fdt_end_node(fdt); if ( res ) return res; -- 1.7.11.3