linux-kernel - [PATCH 04/11] soc: ti: ti_sci_inta_msi: Add support for second range in resource ranges

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Message-ID: <20200928083429.17390-5-peter.ujfalusi@ti.com>
Date:   Mon, 28 Sep 2020 11:34:22 +0300
From:   Peter Ujfalusi <peter.ujfalusi@...com>
To:     <nm@...com>, <t-kristo@...com>, <ssantosh@...nel.org>,
        <lokeshvutla@...com>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <grygorii.strashko@...com>
Subject: [PATCH 04/11] soc: ti: ti_sci_inta_msi: Add support for second range in resource ranges

Allocate MSI entries for both first and second range if they are valid

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com>
---
 drivers/soc/ti/ti_sci_inta_msi.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/soc/ti/ti_sci_inta_msi.c b/drivers/soc/ti/ti_sci_inta_msi.c
index 0eb9462f609e..a1d9c027022a 100644
--- a/drivers/soc/ti/ti_sci_inta_msi.c
+++ b/drivers/soc/ti/ti_sci_inta_msi.c
@@ -89,6 +89,18 @@ static int ti_sci_inta_msi_alloc_descs(struct device *dev,
 			list_add_tail(&msi_desc->list, dev_to_msi_list(dev));
 			count++;
 		}
+		for (i = 0; i < res->desc[set].num_sec; i++) {
+			msi_desc = alloc_msi_entry(dev, 1, NULL);
+			if (!msi_desc) {
+				ti_sci_inta_msi_free_descs(dev);
+				return -ENOMEM;
+			}
+
+			msi_desc->inta.dev_index = res->desc[set].start_sec + i;
+			INIT_LIST_HEAD(&msi_desc->list);
+			list_add_tail(&msi_desc->list, dev_to_msi_list(dev));
+			count++;
+		}
 	}
 
 	return count;
-- 
Peter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
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