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SubjectRe: [PATCH] spi: export tracepoint symbols to modules
On Thu, Mar 21, 2019 at 01:42:25PM +0100, Arnd Bergmann wrote:
> The newly added tracepoints in the spi-mxs driver cause a link
> error when the driver is a loadable module:
> ERROR: "__tracepoint_spi_transfer_stop" [drivers/spi/spi-mxs.ko] undefined!
> ERROR: "__tracepoint_spi_transfer_start" [drivers/spi/spi-mxs.ko] undefined!
> I'm not quite sure where to put the export statements, but
> directly after the inclusion of the header seems as good as
> any other place.

I agree it looks a bit ugly, but I don't have a better idea either.
> Fixes: f3fdea3af405 ("spi: mxs: add tracing to custom .transfer_one_message callback")
> Signed-off-by: Arnd Bergmann <>

Looks right:

Acked-by: Uwe Kleine-König <>

Thanks for finding and fixing that.

Best regards

Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | |

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