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Tue, 4 Jun 2019 05:09:36 -0500 Received: from DLEE106.ent.ti.com (157.170.170.36) by DLEE100.ent.ti.com (157.170.170.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Tue, 4 Jun 2019 05:09:35 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE106.ent.ti.com (157.170.170.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Tue, 4 Jun 2019 05:09:35 -0500 Received: from feketebors.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id x54A9X49114392; Tue, 4 Jun 2019 05:09:33 -0500 From: Peter Ujfalusi To: , , Subject: [PATCH] firmware: ti_sci: Parse all resource ranges even if some is not available Date: Tue, 4 Jun 2019 13:10:00 +0300 Message-ID: <20190604101000.6741-1-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190604_030944_029526_D475429C X-CRM114-Status: GOOD ( 13.35 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lokeshvutla@ti.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Do not fail if any of the requested subtypes are not availabe, but set the number of resources to 0 and continue parsing the resource ranges. Signed-off-by: Peter Ujfalusi --- drivers/firmware/ti_sci.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c index af3ebcdeab18..5d13ed724ff0 100644 --- a/drivers/firmware/ti_sci.c +++ b/drivers/firmware/ti_sci.c @@ -2783,6 +2783,7 @@ devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle, struct ti_sci_resource *res; u32 resource_subtype; int i, ret; + bool valid_set = false; res = devm_kzalloc(dev, sizeof(*res), GFP_KERNEL); if (!res) @@ -2813,13 +2814,16 @@ devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle, if (ret) { dev_err(dev, "dev = %d subtype %d not allocated for this host\n", dev_id, resource_subtype); - return ERR_PTR(ret); + res->desc[i].start = 0; + res->desc[i].num = 0; + continue; } dev_dbg(dev, "dev = %d, subtype = %d, start = %d, num = %d\n", dev_id, resource_subtype, res->desc[i].start, res->desc[i].num); + valid_set = true; res->desc[i].res_map = devm_kzalloc(dev, BITS_TO_LONGS(res->desc[i].num) * sizeof(*res->desc[i].res_map), GFP_KERNEL); @@ -2828,7 +2832,10 @@ devm_ti_sci_get_of_resource(const struct ti_sci_handle *handle, } raw_spin_lock_init(&res->lock); - return res; + if (valid_set) + return res; + + return ERR_PTR(-EINVAL); } static int tisci_reboot_handler(struct notifier_block *nb, unsigned long mode, -- Peter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. 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