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DIR:OUT; SFP:1102; SCL:1; SRVR:VI1PR10MB2143; H:VI1PR10MB2672.EURPRD10.PROD.OUTLOOK.COM; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: prevas.se does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 3YJSKbs3ZK4ERtCT6aOJk5VP68QOpc1fNwgDcqDr5j+M9XBY40RyU5J6viJ7B4RbWRg6Yf7Yazp8WoAfqWHGkawnH1dXJ/lFSxXvI4uTrUbSK3NAxJVjCHPyWBek4Pat2LDwxwElTV4lciagWbRhpgZ0tfiQo8hbqHDRbpEwvKIELwsJDNsK3V+pEMvCoG3YoxCv6mhlBvqcOvHpbKJ9I3L3OntZsVVpQNjjRuOEAq3tpX7W5iNA/ryqiQvpj58ioEciE2pAz3JFF3VZzgiUMz0wBg80MWZFwgIsELKzpHiC0qRnstXoC36ITx5R1z/dPg03WXUplVqFSH8nP9XkacYfsyj2wtrgoupZMgkqrxRPhH6kv6jiq5UH6TBKXWCr80d/l5xKYfKjTRH3mcZ7wMfzfRBa0P7w8MPpng6hU4A= MIME-Version: 1.0 X-OriginatorOrg: prevas.dk X-MS-Exchange-CrossTenant-Network-Message-Id: dc97cc28-bef8-46a5-7123-08d6ce1776d9 X-MS-Exchange-CrossTenant-originalarrivaltime: 01 May 2019 09:29:09.7998 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: d350cf71-778d-4780-88f5-071a4cb1ed61 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR10MB2143 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , "linux-kernel@vger.kernel.org" , Scott Wood , Rasmus Villemoes , Rob Herring , "linuxppc-dev@lists.ozlabs.org" , "linux-arm-kernel@lists.infradead.org" Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Add driver support for the newly introduced fsl,qe-snums property. Conveniently, of_property_read_variable_u8_array does exactly what we need: If the property fsl,qe-snums is found (and has an allowed size), the array of values get copied to snums, and the return value is the number of snums - we cannot assign directly to num_of_snums, since we need to check whether the return value is negative. Signed-off-by: Rasmus Villemoes Reviewed-by: Christophe Leroy --- drivers/soc/fsl/qe/qe.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/soc/fsl/qe/qe.c b/drivers/soc/fsl/qe/qe.c index 0fb8b59f61ad..325d689cbf5c 100644 --- a/drivers/soc/fsl/qe/qe.c +++ b/drivers/soc/fsl/qe/qe.c @@ -283,7 +283,6 @@ EXPORT_SYMBOL(qe_clock_source); */ static void qe_snums_init(void) { - int i; static const u8 snum_init_76[] = { 0x04, 0x05, 0x0C, 0x0D, 0x14, 0x15, 0x1C, 0x1D, 0x24, 0x25, 0x2C, 0x2D, 0x34, 0x35, 0x88, 0x89, @@ -304,7 +303,21 @@ static void qe_snums_init(void) 0x28, 0x29, 0x38, 0x39, 0x48, 0x49, 0x58, 0x59, 0x68, 0x69, 0x78, 0x79, 0x80, 0x81, }; + struct device_node *qe; const u8 *snum_init; + int i; + + bitmap_zero(snum_state, QE_NUM_OF_SNUM); + qe = qe_get_device_node(); + if (qe) { + i = of_property_read_variable_u8_array(qe, "fsl,qe-snums", + snums, 1, QE_NUM_OF_SNUM); + of_node_put(qe); + if (i > 0) { + qe_num_of_snum = i; + return; + } + } qe_num_of_snum = qe_get_num_of_snums(); @@ -313,7 +326,6 @@ static void qe_snums_init(void) else snum_init = snum_init_46; - bitmap_zero(snum_state, QE_NUM_OF_SNUM); memcpy(snums, snum_init, qe_num_of_snum); }