[RFC 11/13] fs: remove explicit efi configuration dependency

[Tom Rini]

On Thu, Oct 26, 2023 at 05:48:30PM +0900, AKASHI Takahiro wrote:
> On Thu, Oct 26, 2023 at 09:58:53AM +0200, Heinrich Schuchardt wrote:
> > 
> > 
> > Am 26. Oktober 2023 07:30:50 MESZ schrieb AKASHI Takahiro <takahiro.akashi at linaro.org>:
> > >Now it is clear that the feature actually depends on efi interfaces,
> > >not "bootefi" command. efi_set_bootdev() will automatically be nullified
> > >if necessary efi component is disabled.
> > >
> > >Signed-off-by: AKASHI Takahiro <takahiro.akashi at linaro.org>
> > >---
> > > fs/fs.c | 7 +++----
> > > 1 file changed, 3 insertions(+), 4 deletions(-)
> > >
> > >diff --git a/fs/fs.c b/fs/fs.c
> > >index 4cb4310c9cc2..70cdb594c4c8 100644
> > >--- a/fs/fs.c
> > >+++ b/fs/fs.c
> > >@@ -791,10 +791,9 @@ int do_load(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[],
> > > 		return 1;
> > > 	}
> > > 
> > >-	if (IS_ENABLED(CONFIG_CMD_BOOTEFI))
> > >-		efi_set_bootdev(argv[1], (argc > 2) ? argv[2] : "",
> > >-				(argc > 4) ? argv[4] : "", map_sysmem(addr, 0),
> > >-				len_read);
> > >+	efi_set_bootdev(argv[1], (argc > 2) ? argv[2] : "",
> > 
> > This function should not exist for CONFIG_EFI_LOADER=n. There are other places where the function is invoked. Please, review all of them.
> 
> Please go through the whole patch set, especially patch#8
> "efi_loader: split unrelated code from efi_bootmgr.c".
> 
> efi_[set|clear]_bootdev() will be nullified if not necessary.

In this case I think what we have here today is more readable / clearer.
We don't need empty functions as we can either do like this section of
the code does today or the linker will discard things correctly as it's
a case of funcB() calls funcA() and nothing calls funcB() so it will be
discarded. I don't know without digging through the series more what the
correct IS_ENABLED() guard should be here (and then also in patch #10).

-- 
Tom
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