linux-stable.git/drivers/iio/filter, branch linux-6.3.y Linux kernel stable tree iio: filter: admv8818: close potential out-of-bounds read in __admv8818_read_[h|l]pf_freq() 2022-11-23T19:43:57+00:00 Wei Yongjun weiyongjun1@huawei.com 2022-09-22T11:58:48+00:00 3f4033a811bcd1a1f077ce5297488a5c4dd30eb1 ADMV8818_SW_IN_WR0_MSK and ADMV8818_SW_OUT_WR0_MSK have 3 bits, which means a length of 8, but freq_range_hpf and freq_range_lpf array size is 4, may end up reading 4 elements beyond the end of those arrays. Check value first before access freq_range_hpf and freq_range_lpf to harden against the hardware allowing out of range values. Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Reviewed-by: Antoniu Miclaus <antoniu.miclaus@analog.com> Link: https://lore.kernel.org/r/20220922115848.1800021-1-weiyongjun@huaweicloud.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> 
ADMV8818_SW_IN_WR0_MSK and ADMV8818_SW_OUT_WR0_MSK have 3 bits,
which means a length of 8, but freq_range_hpf and freq_range_lpf
array size is 4, may end up reading 4 elements beyond the end of
those arrays.

Check value first before access freq_range_hpf and freq_range_lpf
to harden against the hardware allowing out of range values.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Link: https://lore.kernel.org/r/20220922115848.1800021-1-weiyongjun@huaweicloud.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
iio:filter:admv8818: select REGMAP_SPI for ADMV8818 2022-04-04T08:19:01+00:00 Wang ShaoBo bobo.shaobowang@huawei.com 2022-03-20T05:54:57+00:00 d85cce86a86746354fffb688dd134609c8277adc admv8818 driver needs __devm_regmap_init_spi() which is defined when CONFIG_REGMAP_SPI is set and struct regmap_config when CONFIG_REGMAP is set, so automatically select CONFIG_REGMAP_SPI which also sets CONFIG_REGMAP. Fixes: f34fe888ad05 ("iio:filter:admv8818: add support for ADMV8818") Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com> Reviewed-by: Nuno Sá <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20220320055457.254983-1-bobo.shaobowang@huawei.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> 
admv8818 driver needs __devm_regmap_init_spi() which is defined
when CONFIG_REGMAP_SPI is set and struct regmap_config when
CONFIG_REGMAP is set, so automatically select CONFIG_REGMAP_SPI
which also sets CONFIG_REGMAP.

Fixes: f34fe888ad05 ("iio:filter:admv8818: add support for ADMV8818")
Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220320055457.254983-1-bobo.shaobowang@huawei.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
iio:filter:admv8818: add support for ADMV8818 2021-12-16T17:34:28+00:00 Antoniu Miclaus antoniu.miclaus@analog.com 2021-12-07T15:54:43+00:00 f34fe888ad0546dacf678aa604435d442934984f The ADMV8818-EP is a fully monolithic microwave integrated circuit (MMIC) that features a digitally selectable frequency of operation. The device features four independently controlled high- pass filters (HPFs) and four independently controlled low-pass filters (LPFs) that span the 2 GHz to 18 GHz frequency range. Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/admv8818-ep.pdf Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> 
The ADMV8818-EP is a fully monolithic microwave integrated
circuit (MMIC) that features a digitally selectable frequency of
operation. The device features four independently controlled high-
pass filters (HPFs) and four independently controlled low-pass
filters (LPFs) that span the 2 GHz to 18 GHz frequency range.

Datasheet:
https://www.analog.com/media/en/technical-documentation/data-sheets/admv8818-ep.pdf

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
iio: add filter subfolder 2021-12-16T17:29:46+00:00 Antoniu Miclaus antoniu.miclaus@analog.com 2021-12-07T15:54:42+00:00 35c35b0c4161273e22d1bfb17e935d5dd7cefa8e Add filter subfolder for IIO devices that handle filter functionality. Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> 
Add filter subfolder for IIO devices that handle filter functionality.

Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>