mfd: omap-usb-tll: Annotate struct usbtll_omap with __counted_by

Use the __counted_by compiler attribute for the "struct clk *ch_clk[]"
flexible array member to improve the results of array bound sanitizers.

The comments for the variables are no longer needed as it is now clear
what is what.

Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://lore.kernel.org/r/20240620-omap-usb-tll-counted_by-v1-1-77797834bb9a@gmail.com
Signed-off-by: Lee Jones <lee@kernel.org>

diff --git a/drivers/mfd/omap-usb-tll.c b/drivers/mfd/omap-usb-tll.c
index b6303ddb013b0aa7372d612d5a02d5f37650beab..a091e5b0f21da9ab29aabf0e472fc400927d6911 100644 (file)
--- a/drivers/mfd/omap-usb-tll.c
+++ b/drivers/mfd/omap-usb-tll.c
@@ -98,8 +98,8 @@
 
 struct usbtll_omap {
        void __iomem    *base;
-       int             nch;            /* num. of channels */
-       struct clk      *ch_clk[];      /* must be the last member */
+       int             nch;
+       struct clk      *ch_clk[] __counted_by(nch);
 };
 
 /*-------------------------------------------------------------------------*/