mtd: Fixes for 6.16-rc3

Hello,

This is an MTD fixes PR for 6.16-rc3.

Thanks,
Miquèl

The following changes since commit 19272b37aa4f83ca52bdf9c16d5d81bdd1354494:

Linux 6.16-rc1 (2025-06-08 13:44:43 -0700)

are available in the Git repository at:

git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git tags/mtd/fixes-for-6.16-rc3

for you to fetch changes up to 6463cbe08b0cbf9bba8763306764f5fd643023e1:

mtd: spinand: fix memory leak of ECC engine conf (2025-06-19 19:13:21 +0200)

----------------------------------------------------------------
The main fix that really needs to get in is the revert of the patch adding the new mtd_master class, because it entirely fails the partitioning if a specific Kconfig option is set. We need to think how to handle that differently, so let's revert it as we need to get back to the pen and paper situation again.

Otherwise the definition of some Winbond SPI NAND chips are receiving some fixes (geometry and maximum frequency, mostly).

And finally a small memory leak gets also fixed.

----------------------------------------------------------------
Miquel Raynal (4):
Revert "mtd: core: always create master device"
mtd: spinand: winbond: Fix W35N number of planes/LUN
mtd: spinand: winbond: Increase maximum frequency on an octal operation
mtd: spinand: winbond: Prevent unsupported frequencies on dual/quad I/O variants

Pablo Martin-Gomez (1):
mtd: spinand: fix memory leak of ECC engine conf

 drivers/mtd/mtdchar.c          |   2 +-
 drivers/mtd/mtdcore.c          | 152 +++++++++++------------------------------
 drivers/mtd/mtdcore.h          |   2 +-
 drivers/mtd/mtdpart.c          |  16 ++---
 drivers/mtd/nand/spi/core.c    |   1 +
 drivers/mtd/nand/spi/winbond.c |  10 +--
 include/linux/mtd/partitions.h |   2 +-
 include/linux/mtd/spinand.h    |  10 +--
 8 files changed, 63 insertions(+), 132 deletions(-)

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