[U-Boot] [PATCH v2 08/21] pci: sandbox: swap_case: Preserve space indicator bit in BAR registers

[Simon Glass]

On 29 July 2018 at 07:36, Bin Meng <bmeng.cn at gmail.com> wrote:
> With the newly added testing of more than one device, we get:
>
>   => ut dm pci_swapcase
>   Test: dm_test_pci_swapcase: pci.c
>   test/dm/pci.c:88, dm_test_pci_swapcase(): "tHIS IS A tESt" = ptr:
>   Expected "tHIS IS A tESt", got "this is a test"
>   Test: dm_test_pci_swapcase: pci.c (flat tree)
>   test/dm/pci.c:88, dm_test_pci_swapcase(): "tHIS IS A tESt" = ptr:
>   Expected "tHIS IS A tESt", got "this is a test"
>   Failures: 2
>
> The failure only happens on the 2nd swap_case device on the PCI bus.
> The case passes on the 1st device.
>
> It turns out the swap_case driver does not emulate bit#0 in BAR
> registers as a read-only bit. This corrects the implementation.
>
> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
> ---
>
> Changes in v2: None
>
>  drivers/misc/swap_case.c | 8 +++++---
>  1 file changed, 5 insertions(+), 3 deletions(-)

Reviewed-by: Simon Glass <sjg at chromium.org>