Re: [PATCH 12/27] tty: hvc: convert to u8 and size_t

Switch character types to u8 and sizes to size_t. To conform to
characters/sizes in the rest of the tty layer.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Christophe Leroy <redacted>
Cc: Amit Shah <amit@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Paul Walmsley <redacted>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: virtualization@lists.linux.dev
Cc: linux-riscv@lists.infradead.org
---
  arch/powerpc/include/asm/hvconsole.h       |  4 ++--
  arch/powerpc/include/asm/hvsi.h            | 18 ++++++++--------
  arch/powerpc/include/asm/opal.h            |  8 +++++---
  arch/powerpc/platforms/powernv/opal.c      | 14 +++++++------
  arch/powerpc/platforms/pseries/hvconsole.c |  4 ++--
  drivers/char/virtio_console.c              | 10 ++++-----
  drivers/tty/hvc/hvc_console.h              |  4 ++--
  drivers/tty/hvc/hvc_dcc.c                  | 24 +++++++++++-----------
  drivers/tty/hvc/hvc_iucv.c                 | 18 ++++++++--------
  drivers/tty/hvc/hvc_opal.c                 |  5 +++--
  drivers/tty/hvc/hvc_riscv_sbi.c            |  9 ++++----
  drivers/tty/hvc/hvc_rtas.c                 | 11 +++++-----
  drivers/tty/hvc/hvc_udbg.c                 |  9 ++++----
  drivers/tty/hvc/hvc_vio.c                  | 18 ++++++++--------
  drivers/tty/hvc/hvc_xen.c                  | 23 +++++++++++----------
  drivers/tty/hvc/hvsi_lib.c                 | 20 ++++++++++--------
  16 files changed, 107 insertions(+), 92 deletions(-)

diff --git a/arch/powerpc/include/asm/hvconsole.h b/arch/powerpc/include/asm/hvconsole.h
index ccb2034506f0..d841a97010a0 100644
--- a/arch/powerpc/include/asm/hvconsole.h
+++ b/arch/powerpc/include/asm/hvconsole.h

@@ -21,8 +21,8 @@
   * Vio firmware always attempts to fetch MAX_VIO_GET_CHARS chars.  The 'count'
   * parm is included to conform to put_chars() function pointer template
   */
-extern int hvc_get_chars(uint32_t vtermno, char *buf, int count);
-extern int hvc_put_chars(uint32_t vtermno, const char *buf, int count);
+extern ssize_t hvc_get_chars(uint32_t vtermno, u8 *buf, size_t count);
+extern ssize_t hvc_put_chars(uint32_t vtermno, const u8 *buf, size_t count);