[PATCH v1 5/5] spi: bcm-qspi: Implement the master flash_pm_supported() call

[Kamal Dasu <kdasu.kdev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

The Broadcom SoCs needs pm rescan support for the flash device to
to be cofgured in the probed state on pm resume. Implement
flash_pm_supported() spi core interface to return true.

Signed-off-by: Kamal Dasu <kdasu.kdev-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
 drivers/spi/spi-bcm-qspi.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/spi/spi-bcm-qspi.c b/drivers/spi/spi-bcm-qspi.c
index 14f9dea..0abcde6 100644
--- a/drivers/spi/spi-bcm-qspi.c
+++ b/drivers/spi/spi-bcm-qspi.c
@@ -958,6 +958,11 @@ static int bcm_qspi_transfer_one(struct spi_master *master,
 	return 0;
 }
 
+static bool bcm_qspi_flash_pm_supported(struct spi_device *spi)
+{
+	return true;
+}
+
 static void bcm_qspi_cleanup(struct spi_device *spi)
 {
 	struct bcm_qspi_parms *xp = spi_get_ctldata(spi);
@@ -1194,6 +1199,7 @@ int bcm_qspi_probe(struct platform_device *pdev,
 	master->setup = bcm_qspi_setup;
 	master->transfer_one = bcm_qspi_transfer_one;
 	master->spi_flash_read = bcm_qspi_flash_read;
+	master->flash_pm_supported = bcm_qspi_flash_pm_supported;
 	master->cleanup = bcm_qspi_cleanup;
 	master->dev.of_node = dev->of_node;
 	master->num_chipselect = NUM_CHIPSELECT;
-- 
1.9.1

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