greybus: Remove usage of the deprecated ida_simple_xx() API

ida_alloc() and ida_free() should be preferred to the deprecated
ida_simple_get() and ida_simple_remove().

Note that the upper limit of ida_simple_get() is exclusive, but the one of
ida_alloc_range()/ida_alloc_max() is inclusive. So a -1 has been added when
needed.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/26425379d3eb9ba1b9af44468576ee20c77eb248.1705226208.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

greybus: es2: fix typo in a comment

The double `for' in the comment in line 81 is repeated. Remove one
of them from the comment.

Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Link: https://lore.kernel.org/r/20211212031657.41169-1-wangborong@cdjrlc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

greybus: es2: fix kernel-doc warnings

Fix these kernel-doc complaints:

../drivers/greybus/es2.c:79: warning: bad line:
../drivers/greybus/es2.c:100: warning: cannot understand function prototype: 'struct es2_ap_dev '
es2.c:126: warning: Function parameter or member 'cdsi1_in_use' not described in 'es2_ap_dev'

Cc: Johan Hovold <johan@kernel.org>
Cc: Alex Elder <elder@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: greybus-dev@lists.linaro.org (moderated for non-subscribers)
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20210415054338.2223-1-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

greybus: remove stray nul byte in apb_log_enable_read output

Including a nul byte in the otherwise human-readable ascii output
from this debugfs file is probably not intended.

Acked-by: Alex Elder <elder@linaro.org>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Link: https://lore.kernel.org/r/20210326152254.733066-1-linux@rasmusvillemoes.dk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

greybus: es2: drop short control-transfer checks

There's no need to check for short USB control transfers when sending
data using so remove the redundant sanity checks.

Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20210118144629.25533-1-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

greybus: Use fallthrough pseudo-keyword

Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1].

[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
Link: https://lore.kernel.org/r/20200727183258.GA28571@embeddedor
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: greybus: move es2 to drivers/greybus/

The es2 Greybus host controller has long been stable, so move it out of
drivers/staging/ to drivers/greybus/

Cc: Johan Hovold <johan@kernel.org>
Cc: greybus-dev@lists.linaro.org
Cc: linux-kernel@vger.kernel.org
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Alex Elder <elder@kernel.org>
Link: https://lore.kernel.org/r/20190825055429.18547-10-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>