linux-kernel - [PATCH v3 2/3] spi: xilinx: make irq optional

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Message-Id: <20260119-spi-xilinx-v3-2-4566c33bac0d@nexthop.ai>
Date: Mon, 19 Jan 2026 07:06:23 +0000
From: Abdurrahman Hussain via B4 Relay <devnull+abdurrahman.nexthop.ai@...nel.org>
To: Mark Brown <broonie@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Michal Simek <michal.simek@....com>
Cc: linux-spi@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Abdurrahman Hussain <abdurrahman@...thop.ai>
Subject: [PATCH v3 2/3] spi: xilinx: make irq optional

From: Abdurrahman Hussain <abdurrahman@...thop.ai>

Both the hardware and driver already support polling mode. By removing
the mandatory IRQ requirement during probe, the driver can now fall
back to polling when an interrupt is unavailable, ensuring
compatibility with a wider range of systems.

Signed-off-by: Abdurrahman Hussain <abdurrahman@...thop.ai>
---
 drivers/spi/spi-xilinx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-xilinx.c b/drivers/spi/spi-xilinx.c
index c86dc56f38b4..4aa67fc61cb6 100644
--- a/drivers/spi/spi-xilinx.c
+++ b/drivers/spi/spi-xilinx.c
@@ -471,7 +471,7 @@ static int xilinx_spi_probe(struct platform_device *pdev)
 	xspi->bytes_per_word = bits_per_word / 8;
 	xspi->buffer_size = xilinx_spi_find_buffer_size(xspi);
 
-	xspi->irq = platform_get_irq(pdev, 0);
+	xspi->irq = platform_get_irq_optional(pdev, 0);
 	if (xspi->irq < 0 && xspi->irq != -ENXIO) {
 		return xspi->irq;
 	} else if (xspi->irq >= 0) {

-- 
2.52.0