linux-toradex.git/drivers/vme, branch v4.2.1 Linux kernel for Apalis and Colibri modules vme: tsi148: depend on HAS_DMA for Kconfig 2015-06-13T00:31:05+00:00 Dmitry Kalinkin dmitry.kalinkin@gmail.com 2015-05-28T12:07:12+00:00 5c10439849f75e408112d5f1696623b2fae5a500 Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Cc: Igor Alekseev <igor.alekseev@itep.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Cc: Igor Alekseev <igor.alekseev@itep.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
vme: ca91cx42: fix LM_CTL address mask 2015-06-13T00:29:37+00:00 Dmitry Kalinkin dmitry.kalinkin@gmail.com 2015-05-28T12:07:07+00:00 5a2f8831243337dd05df42174b4d7b1e01daacda Universe II datasheet defines following address space values for LM_CTL[16:18] 000=A16 001=A24 010=A32 011,100,101=Reserved 110=User1 111=User2 Mask 5<<16 is not the right one for matching [16:18], instead we should use 7<<16. Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Cc: Igor Alekseev <igor.alekseev@itep.ru> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Universe II datasheet defines following address space values
for LM_CTL[16:18]

000=A16
001=A24
010=A32
011,100,101=Reserved
110=User1
111=User2

Mask 5<<16 is not the right one for matching [16:18], instead we should
use 7<<16.

Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Cc: Igor Alekseev <igor.alekseev@itep.ru>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
vme: ca91cx42: return error code on DMA error 2015-06-13T00:29:37+00:00 Dmitry Kalinkin dmitry.kalinkin@gmail.com 2015-05-28T12:07:06+00:00 1cfb645c8b7c82bbce4d77240754fcf5559cc82c Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Cc: Igor Alekseev <igor.alekseev@itep.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Cc: Igor Alekseev <igor.alekseev@itep.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
vme: export vme_check_window() 2015-06-13T00:26:57+00:00 Dmitry Kalinkin dmitry.kalinkin@gmail.com 2015-05-28T12:07:04+00:00 ef73f886b53548d83d71a439f51a0c13ea6c1dae Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Cc: Igor Alekseev <igor.alekseev@itep.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Cc: Igor Alekseev <igor.alekseev@itep.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
vme: check for A64 overflow in vme_check_window() 2015-06-13T00:26:57+00:00 Dmitry Kalinkin dmitry.kalinkin@gmail.com 2015-05-28T12:07:03+00:00 e7fd80cbb4a788b2f8b081ab8564752073c30505 Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Cc: Igor Alekseev <igor.alekseev@itep.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Cc: Igor Alekseev <igor.alekseev@itep.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
vme: stop DMA transfer on interruption 2015-06-13T00:26:57+00:00 Dmitry Kalinkin dmitry.kalinkin@gmail.com 2015-05-28T12:07:01+00:00 75c66b6db7baacf592268d5d5c4c9ecb6e2bcae7 Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Cc: Igor Alekseev <igor.alekseev@itep.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Cc: Igor Alekseev <igor.alekseev@itep.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
vme: tsi148: fix first DMA item mapping 2015-06-13T00:26:57+00:00 Dmitry Kalinkin dmitry.kalinkin@gmail.com 2015-05-28T12:07:00+00:00 b2383c90a9d691201b9aee557776694cde86a935 This moves DMA mapping of the first list element to vme_list_add, the same place where other elements mappings occur. This prevents extra mapping or over-unmapping in the cases when vme_list_exec is called more or less than one time respectively. Also adds dma_mapping_error check. Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Cc: Igor Alekseev <igor.alekseev@itep.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
This moves DMA mapping of the first list element to vme_list_add, the
same place where other elements mappings occur. This prevents extra
mapping or over-unmapping in the cases when vme_list_exec is called more
or less than one time respectively.

Also adds dma_mapping_error check.

Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Cc: Igor Alekseev <igor.alekseev@itep.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
vme: tsi148: fix DMA lists longer that one item 2015-06-13T00:26:56+00:00 Dmitry Kalinkin dmitry.kalinkin@gmail.com 2015-05-28T12:06:59+00:00 f656eaee6368198f596ae5b8754494ec2b179a16 DMA lists on tsi148 weren't processed further than the first item because of the broken logic. This regression was introduced in: ac1a4f2caf7b071 "Staging: VME: Ensure TSI148 link list descriptors..." Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Cc: Igor Alekseev <igor.alekseev@itep.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
DMA lists on tsi148 weren't processed further than the first item
because of the broken logic. This regression was introduced in:

ac1a4f2caf7b071 "Staging: VME: Ensure TSI148 link list descriptors..."

Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Cc: Igor Alekseev <igor.alekseev@itep.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
vme: tsi148: Master windows support USERx and CR/CSR accesses, not slaves 2015-03-07T01:03:22+00:00 Martyn Welch martyn.welch@ge.com 2015-02-26T15:53:11+00:00 08e03c268e3af302649bb85f79fb7c78c9e22ec8 The tsi148 driver is registering the slave images as supporting the "USER" access modes and CR/CSR access mode rather than the master images as it should. Remove the incorrect case entries for these modes from the tsi148_slave_set() function, stop registering slave_images as supporting these modes and instead register master windows as supporting these modes. Signed-off-by: Martyn Welch <martyn.welch@ge.com> Acked-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
The tsi148 driver is registering the slave images as supporting the "USER"
access modes and CR/CSR access mode rather than the master images as it
should.

Remove the incorrect case entries for these modes from the
tsi148_slave_set() function, stop registering slave_images as supporting
these modes and instead register master windows as supporting these modes.

Signed-off-by: Martyn Welch <martyn.welch@ge.com>
Acked-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
staging: vme: mmap() support for vme_user 2015-03-07T01:03:22+00:00 Dmitry Kalinkin dmitry.kalinkin@gmail.com 2015-02-26T15:53:10+00:00 c74a804f115bdedcac72ea52ca33f46cfae3b74f We also make sure that user won't be able to reconfigure the window while it is mmap'ed. Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com> Cc: Martyn Welch <martyn.welch@ge.com> Cc: Igor Alekseev <igor.alekseev@itep.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
We also make sure that user won't be able to reconfigure the window while it is
mmap'ed.

Signed-off-by: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Cc: Martyn Welch <martyn.welch@ge.com>
Cc: Igor Alekseev <igor.alekseev@itep.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>