Re: [PATCH v16 5/5] media: qcom: camss: Use data-lanes starting at 1 for new CSIPHY mode
From: Nihal Kumar Gupta
Date: Sun Sep 06 2026 - 09:07:06 EST
On 06-09-2026 17:22, Bryan O'Donoghue wrote:
> + if (lane < lane_base || lane - lane_base >= CSI2_MAX_DATA_LANES) {
> + dev_err(dev, "invalid data-lane %u\n", lane);
> + return -EINVAL;
CC [M] drivers/media/platform/qcom/camss/camss.o
../drivers/media/platform/qcom/camss/camss.c: In function ‘camss_parse_endpoint_node’:
../drivers/media/platform/qcom/camss/camss.c:4783:61: error: ‘CSI2_MAX_DATA_LANES’ undeclared (first use in this function)
4783 | if (lane < lane_base || lane - lane_base >= CSI2_MAX_DATA_LANES) {
| ^~~~~~~~~~~~~~~~~~~
../drivers/media/platform/qcom/camss/camss.c:4783:61: note: each undeclared identifier is reported only once for each function it appears in
make[8]: *** [../scripts/Makefile.build:290: drivers/media/platform/qcom/camss/camss.o] Error 1
CSI2_MAX_DATA_LANES is undeclared here, causing a build failure.
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Regards,
Nihal Kumar Gupta